{"title":"De Rosa Bikes","description":"\u003cdiv class=\"collection-header\"\u003e\n\u003cp\u003e\u003cstrong\u003eDe Rosa Bikes\u003c\/strong\u003e has been building racing bicycles in Milan since 1953, and the brand's approach to frame-making has always started in the same place: get the metal right, and the ride follows. Ugo De Rosa founded the company in Cusano Milanino and built his reputation supplying frames to the professional peloton — riders including Eddy Merckx, Gianni Motta, and Francesco Moser. That foundation of craft and precision has carried through every generation of the brand.\u003c\/p\u003e\n\u003cp\u003eAt RA Cycles, the De Rosa collection spans the full breadth of what the brand builds: the handcrafted steel of the Collezione Acciaio, the carbon disc performance of the Merak, and the titanium Solo Ti for those after a frame that lasts a lifetime. Every product in this collection is a frameset — the foundation for a build that's entirely yours.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"de-rosa-888-super-king-electronic-frameset","title":"De Rosa 888 Super King Electronic Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eDe Rosa 888 Super King Electronic Frameset\u003c\/strong\u003e is the electronic-specific version of one of De Rosa's most technically significant framesets, an Italian carbon frame that sits in the tier below the Protos in the brand's road lineup, alongside the King RS. When De Rosa launched the Super King, the E version became the first production frame in the world built with a port for an internally integrated Campagnolo EPS battery, tucked into the down tube rather than strapped under the saddle or bolted to a mount. The name itself carries a bit of De Rosa's global reach: the number 8 is considered a lucky number across several Far East markets, and doubling it twice, to 888, was a deliberate nod to a region where De Rosa's Italian heritage carries real weight.\u003c\/p\u003e\n\u003cp\u003eDe Rosa builds the Super King frame from three different composite carbon fibers, MR-60, HR-40, and NGF's 630GPA, blended to work toward what the brand describes as a combination of low weight, high frame rigidity, and vibration absorption through the road surface. Combining multiple fiber types in one frame is meant to let De Rosa tune stiffness and compliance zone by zone rather than relying on a single carbon layup for the whole structure, using stiffer material where power transfer through the bottom bracket and chainstays matters most and more compliant fiber where road vibration needs to be absorbed rather than transmitted straight to the rider. It's the kind of layered construction that shows up as a frame that tracks confidently under hard effort without beating up the rider once the miles add up.\u003c\/p\u003e\n\u003cp\u003eThe electronic integration is the frame's signature feature. Rather than housing the EPS battery externally, De Rosa recessed it into the down tube and added a small rubber bung on the upper side of the tube that opens directly to a charging port, so the battery can be topped off without removing it or opening up the frame. Since the carbon around that battery recess has to be reinforced to make up for the material removed, the Electronic frame isn't identical to De Rosa's mechanical Super King builds, the SR and R, even though all three share the same outward shape. This particular frameset is also compatible with Shimano's Di2 system, so the internal routing isn't locked to Campagnolo alone if a rider prefers to build it up with Shimano's electronic groupset instead. That flexibility matters for a frameset purchase specifically, since the buyer is choosing the groupset separately rather than inheriting whatever came stock on a complete build.\u003c\/p\u003e\n\u003cp\u003eDe Rosa has been building frames in Cusano Milanino, just outside Milan, since Ugo De Rosa founded the company in 1953, and the brand's frames carried Eddy Merckx during part of his career, a piece of pro racing history that still shapes how the brand is regarded in Italian road cycling. The Super King reflects that lineage more than it looks like a mass-market carbon frame. Buying this as a frameset means starting from the frame and fork and building up the rest yourself, which suits a rider who already knows which groupset, wheels, and finishing kit they want rather than someone looking for a complete bike out of the box. It's a project for someone who wants a De Rosa-badged frame with a genuinely distinctive engineering story behind it, not just another carbon shape pulled from a catalog.\u003c\/p\u003e\n\u003cp\u003eThis frameset is currently available in Nero and size 46s, and it's marked as final sale, so there's no returning or exchanging it once it ships. At its regular price of $4,495, the Super King E sat firmly in De Rosa's premium tier; at its current price, it's a way into a piece of De Rosa's carbon history, complete with the electronic battery integration built into the down tube, for a fraction of what it cost when the Super King E first came to market. For a rider set on building a bike around De Rosa's Italian craftsmanship and willing to source their own groupset and finishing kit, that combination is hard to find anywhere else on the shop floor.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Nero \/ 46s","offer_id":43510623633452,"sku":"10017158","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-888-super-king-electronic-frameset-4400031.jpg?v=1771301175"},{"product_id":"de-rosa-avant-frameset","title":"De Rosa Avant Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eDe Rosa has been building bicycles in Cusano Milanino, just north of Milan, since 1953. Ugo De Rosa started with steel — refined, hand-built steel — and grew the brand into one of cycling's most storied names by doing one thing obsessively well: building frames that riders trust implicitly. The carbon era didn't change that philosophy. It gave De Rosa new materials to apply it to.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDe Rosa Avant Frameset\u003c\/strong\u003e is a full monocoque carbon road frame built around that same principle — well-proportioned, race-oriented, and engineered to deliver what actually matters in a frameset: a confident ride that holds stiffness and comfort in balance without sacrificing either. The construction is full monocoque, meaning the frame is formed as a single integrated structure rather than assembled from bonded tubes. The result is a coherent, consistent ride character — responsive under power, settled on rough pavement, and composed in corners. De Rosa describes the Avant with two words that don't often share a sentence in Italian framebuilding: classic and modern. The Avant earns both.\u003c\/p\u003e\n\u003cp\u003eThe carbon layup was executed in collaboration with Mizuno, a manufacturer with deep expertise in monocoque carbon construction, then finished and painted at De Rosa's workshop in Italy. The matching Mizuno carbon fork completes the front end — light, stiff, and built to pair precisely with the frame's handling character. At 1.04 kg, the Avant frame sits comfortably in the lightweight category for a carbon race frameset, leaving ample budget headroom for quality components without pushing the complete build over weight targets.\u003c\/p\u003e\n\u003cp\u003eThe slightly sloping geometry threads a careful line between aggressive race positioning and practical everyday usability. Head tube lengths scale meaningfully across the size run — from 110mm on a 46cm frame up to 202mm on the 58cm — giving riders across the height spectrum a sensible starting point before fine-tuning fit with stem and spacer adjustments. Chainstays run 397 to 405mm depending on size, contributing to the snappy, connected handling feel that has defined De Rosa frames for decades. This is a frameset designed for riders who want to cover real miles at real pace: not a display piece, not a weekend warrior, but a capable road bike platform that holds up to the demands of committed riding.\u003c\/p\u003e\n\n\n\u003ch3\u003eDesign Benefits\u003c\/h3\u003e\n\u003col class=\"design_benefits\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonocoque construction\u003c\/strong\u003e — a single-unit frame eliminates the flex points inherent in bonded-tube designs, delivering consistent stiffness distribution across the entire structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMizuno carbon fork\u003c\/strong\u003e — purpose-matched to the frame for predictable steering response and meaningful weight savings at the front end, where unsprung weight has the biggest impact on handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight at 1.04 kg\u003c\/strong\u003e — gives builders working within a total weight target real flexibility in component selection without compromising the frame's structural performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItalian BB threading\u003c\/strong\u003e — the 70mm Italian-threaded shell is broadly compatible with cranksets from Shimano, SRAM, and Campagnolo, along with a wide range of aftermarket bottom bracket options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinished in Italy\u003c\/strong\u003e — the frame is built to De Rosa's specifications and painted at their Cusano Milanino workshop, with the quality of fit and finish that the marque is known for.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFinal Take\u003c\/h3\u003e\n\u003cp\u003eThe Avant is no longer in De Rosa's current lineup, and the price here reflects that. What hasn't changed is what the frame delivers: a legitimate, Italian-pedigreed monocoque carbon frameset with real race capability and a ride character that rewards time in the saddle. For a rider ready to build a serious road bike around a De Rosa frame — without flagship-tier spending — the Avant at this price is a straightforward case.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Red \/ 55s","offer_id":43510624354348,"sku":"10034366","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-avant-frameset-2826940.jpg?v=1771301174"},{"product_id":"de-rosa-merak-disc-frameset","title":"De Rosa Merak Disc Frameset","description":"\u003cp\u003eUgo De Rosa started building bikes by hand in Milan in 1953. Eddy Merckx won races on De Rosa frames. The tradition of Italian craftsmanship that produced those results is still alive in Cusano Milanino, and the Merak Disc is where it lives today. De Rosa's lightest carbon road frame in current production, built from a precisely engineered multi-modulus carbon layup, designed for riders who want to go fast and don't need an aero bike to do it.\u003c\/p\u003e\n\n\u003cp\u003eAt 800 grams for a painted 54cm, the Merak Disc makes its case in the simplest terms possible.\u003c\/p\u003e\n\n\u003ch3\u003eMulti-Modulus Carbon — 800 Grams, Maximum Stiffness\u003c\/h3\u003e\n\n\u003cp\u003eDe Rosa didn't choose a single carbon fiber grade and call it done. The Merak's layup blends four distinct materials, each assigned to the areas of the frame where its properties are most valuable: 65% High-Modulus T800 carbon as the structural backbone, 25% High-Modulus M46JB for targeted stiffness where power is transferred, 5% Ultra-High-Strength woven carbon at high-stress junction points, and 5% High-Impact 3K woven carbon for impact resistance at the areas most exposed to road debris and mechanical contact.\u003c\/p\u003e\n\n\u003cp\u003eThe result is a frame that weighs approximately 800g at size 54 — competitive with the lightest carbon production frames available — while maintaining the lateral stiffness that makes it a genuinely fast bike to accelerate and corner on. The EPS (Expandable Polystyrene System) molding process produces a one-piece main triangle with smooth internal surfaces that prevent stress concentrations and maintain consistent wall thickness throughout. No bonded inserts, no internal voids from mandrel wrapping — just precise, repeatable carbon construction.\u003c\/p\u003e\n\n\u003cp\u003eAn oversized downtube handles the power transfer demands from the BB junction through the front triangle, and asymmetric chainstays optimize left-side drivetrain stiffness without sacrificing the right-side compliance that contributes to ride comfort. The dropped seatstays — lower than De Rosa's previous road designs — let the rear triangle move slightly vertically while remaining torsionally rigid under pedaling load. The ride character that results is poppy and lively rather than harsh: stiff enough to accelerate instantly, forgiving enough to sustain effort over a full day in the saddle.\u003c\/p\u003e\n\n\u003ch3\u003eGeometry Designed for Speed, Not Aesthetics\u003c\/h3\u003e\n\n\u003cp\u003eThe Merak represents a deliberate departure from De Rosa's traditional low-and-long geometry philosophy. The compact frame uses steeper angles and a shorter wheelbase than the brand's endurance-oriented models, producing handling characteristics that are quick, direct, and responsive rather than stable and planted. The tapered 1-1\/8\" to 1-1\/2\" head tube is paired with modern race geometry that puts you in an aggressive position without requiring extreme stack compensation — the frame's proportions work for riders with a genuine race position, not just riders who think they want one.\u003c\/p\u003e\n\n\u003cp\u003eSteeper head tube angles and a tighter rear triangle mean the Merak accelerates quickly and changes direction without hesitation. On punchy climbs and technical descents, the handling rewards decisive inputs. On long flat sections, the stiff drivetrain interface means nothing is lost between effort and speed. This is not an endurance geometry bike wearing race clothing — it's a race geometry bike through and through, available in eight sizes from 43cm to 58cm to cover the full range of rider proportions.\u003c\/p\u003e\n\n\u003ch3\u003eACR Internal Routing and Disc Brake Architecture\u003c\/h3\u003e\n\n\u003cp\u003eThe Merak Disc runs fully internal cable routing through De Rosa's ACR (Advanced Cable Routing) system — an integrated headset design that routes brake and shift lines through the stem interface with no external housing visible anywhere on the bike. The cockpit is completely clean: no cable stops on the top tube, no exposed housing at the headset, no routing clips anywhere on the frame.\u003c\/p\u003e\n\n\u003cp\u003eThe ACR system requires a compatible integrated bar and stem combination to function as designed — a practical consideration for builders. The benefit is a cockpit that's both aerodynamically cleaner and visually uncluttered, which on a bike this light and this well-designed is the correct aesthetic outcome. De Rosa partners with FSA for the ACR-compatible cockpit options, and the system accommodates both mechanical and electronic drivetrains.\u003c\/p\u003e\n\n\u003cp\u003eFlat-mount disc brakes and 12mm thru-axles handle stopping and axle retention — the standard modern race specification. The BB86 press-fit bottom bracket shell is oversized for stiffness at the most critical power transfer point on the frame, and tire clearance accommodates rubber up to 30mm for all-weather versatility without changing the frame's race-focused character.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included — and Who Builds It\u003c\/h3\u003e\n\n\u003cp\u003eThe Merak Disc frameset includes the full carbon fork and proprietary De Rosa carbon seatpost. Five finishes are available — Cielo, Bianca, Black Matte, Blue Matte, and Super Silver Gloss — across all eight sizes, giving builders meaningful aesthetic choice alongside the performance specification.\u003c\/p\u003e\n\n\u003cp\u003eThe Merak Disc is for the road cyclist who wants a lightweight Italian race frame and understands what that means: a frame that rewards fitness and punishes laziness, that makes fast riding feel effortless and slow riding feel unnecessary. De Rosa built this for riders who train seriously and race when they can, for whom the frame is the most important purchase decision they'll make this season. At $6,000, it's the foundation of a world-class road build from a brand that's been producing world-class road bikes for over 70 years.\u003c\/p\u003e","brand":"De Rosa","offers":[{"title":"Cielo \/ 43cm","offer_id":43652103471148,"sku":"DR-MERAK-DKFR.CIELO.43","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 46cm","offer_id":43652103503916,"sku":"DR-MERAK-DKFR.CIELO.46","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 48cm","offer_id":43652103536684,"sku":"DR-MERAK-DKFR.CIELO.48","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 50cm","offer_id":43652103602220,"sku":"DR-MERAK-DKFR.CIELO.50","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 52cm","offer_id":43652103667756,"sku":"DR-MERAK-DKFR.CIELO.52","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 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MATT.48","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Black Matte \/ 50cm","offer_id":44045638434860,"sku":"DR-MERAK-DKFR.BLKCOFIDIS MATT.50","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Black Matte \/ 52cm","offer_id":44045638500396,"sku":"DR-MERAK-DKFR.BLKCOFIDIS MATT.52","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Black Matte \/ 54cm","offer_id":44045638729772,"sku":"DR-MERAK-DKFR.BLKCOFIDIS MATT.54","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Black Matte \/ 56cm","offer_id":44045638762540,"sku":"DR-MERAK-DKFR.BLKCOFIDIS MATT.56","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Black Matte \/ 58cm","offer_id":44045638860844,"sku":"DR-MERAK-DKFR.BLKCOFIDIS MATT.58","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue Matte \/ 43cm","offer_id":44045638893612,"sku":"DR-MERAK-DKFR.BLUEMATT.43","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue Matte \/ 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Silver Gloss \/ 43cm","offer_id":44045639319596,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.43","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 46cm","offer_id":44045639385132,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.46","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 48cm","offer_id":44045639417900,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.48","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 50cm","offer_id":44045639483436,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.50","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 52cm","offer_id":44045639548972,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.52","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 54cm","offer_id":44045639581740,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.54","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 56cm","offer_id":44045639614508,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.56","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Super Silver Gloss \/ 58cm","offer_id":44045639712812,"sku":"DR-MERAK-DKFR.SUPERSILVERGLOSS.58","price":6000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-merak-disc-frameset-3334649.jpg?v=1771301176"},{"product_id":"de-rosa-merak-disc-luxury-color-frameset","title":"De Rosa Merak Disc Luxury Color Frameset","description":"\u003cp\u003eIn 2000, at the UCI Road World Championship in Plouay, France, Romāns Vainšteins sprinted to victory on a De Rosa Merak. It was the bike that delivered De Rosa its most recent world championship on the road. When the brand's third-generation owners — Cristiano, Danilo, and Doriano De Rosa — revived the Merak name twenty years later in carbon and disc form, they were doing something intentional: connecting a new generation of frame engineering directly to the most storied moment in the model's history. The De Rosa Merak Disc Luxury Color Frameset is that bike. It carries the name, the Milan craftsmanship, and the race DNA of a 70-year-old family company that once built 50 frames a week for Eddy Merckx. And it arrives in premium Luxury Color finishes — Arcobaleno, Bianco Blue, Blue, and Red — that no standard catalog version offers.\u003c\/p\u003e\n\n\u003ch3\u003eEPS Construction and the Four-Fiber Carbon Blend\u003c\/h3\u003e\n\n\u003cp\u003eThe Merak Disc is built using De Rosa's EPS (Expandable Polystyrene System) construction method — the manufacturing approach that defines the brand's modern carbon program. Carbon fiber sheets are laid up around polystyrene foam cores that expand under heat and pressure during curing, pressing the layers outward from the inside against the mold wall. The result is uniform wall thickness throughout every tube, near-zero internal voids, and optimal fiber consolidation. There are no bonded junctions where a traditional multi-part frame would show joints. EPS produces consistent weight and structural integrity across production runs in a way that external mold pressure alone cannot guarantee.\u003c\/p\u003e\n\n\u003cp\u003eThe carbon blend itself is a precisely specified four-fiber formula. T800 High-Modulus carbon forms 65% of the layup — the primary structural fiber delivering the stiffness-to-weight ratio the frame is built around. M46JB High-Modulus fiber adds an additional 25%, concentrated at the highest-load paths for maximum rigidity where it matters most. Ultra-high-strength woven carbon (5%) handles impact resistance and durability. High-impact 3K woven carbon (5%) protects the surface and contributes to the frame's visual finish. The resulting frame weighs approximately 800g painted in size 54 — competitive with the lightest carbon framesets in the all-round race segment.\u003c\/p\u003e\n\n\u003cp\u003eCristiano De Rosa made a deliberate choice with the Merak's tube shaping: no extreme aero profiles, no truncated airfoil sections. The SK Pininfarina handles aerodynamics. The Merak handles everything else. Its rounded and D-shaped tubes prioritize weight and compliance over frontal drag — a decision that reflects decades of understanding what makes a race bike fast over a full stage rather than a 40km flat time trial. Dropped seatstays lower the junction point on the seat tube, increasing vertical compliance at the rear without compromising BB stiffness. Short 405mm chainstays — the minimum achievable while maintaining 28-30mm tire clearance and disc caliper clearance — keep the handling responsive and the wheelbase tight.\u003c\/p\u003e\n\n\u003ch3\u003eRace Geometry and WorldTour Validation\u003c\/h3\u003e\n\n\u003cp\u003eThe Merak Disc is available in eight sizes from 43cm to 58cm — an unusually broad range for an Italian premium frameset, covering riders across an exceptionally wide fit spectrum. The geometry across the range is steeper than De Rosa's traditional positioning. The Canadian distributor noted it plainly: \"De Rosa usually goes low and long. Now they have this poppy bike with steeper angles.\" Short chainstays, compact wheelbase, 1.5\" tapered headtube — the Merak handles with more immediacy than its predecessors and rewards riders who want direct feedback from the front end.\u003c\/p\u003e\n\n\u003cp\u003eThe flat-mount disc brake standard and 12mm thru-axles front and rear deliver the braking stiffness and precision the geometry promises. Full internal cable and hydraulic routing runs cleanly through the frame — compatible with mechanical and electronic groupsets from Shimano, SRAM, and Campagnolo. The BB86 press-fit shell is standard across the range. An FSA ACR integrated cockpit system is compatible for riders who want a fully integrated bar\/stem with zero external cables; the frame also accepts conventional bars with standard stem clamps.\u003c\/p\u003e\n\n\u003cp\u003eThe validation for this geometry came quickly. Team Cofidis debuted the Merak at the 2020 Tour Down Under and has raced it at the WorldTour level since. Victor Lafay won Stage 1 of the 2023 Tour de France on a Merak Disc — ending Cofidis's 18-year winless streak at the Tour. Jesús Herrada won a stage at the 2022 Vuelta a España on the same platform. These are not marginal victories on a supportive team. These are bunch sprint and breakaway wins against the best peloton in the world, on the exact frameset sold here.\u003c\/p\u003e\n\n\u003ch3\u003eLuxury Color Finishes and What's Included\u003c\/h3\u003e\n\n\u003cp\u003eThe Luxury Color designation distinguishes these Merak Disc variants from De Rosa's standard catalog finishes. Four premium colorways are available: Arcobaleno (the Italian word for rainbow — an iridescent multi-hue finish that shifts across the spectrum), Bianco Blue (a white-to-blue transition), Blue, and Red. These finishes are applied at De Rosa's Milan facility, where hand-finishing has been part of the production process since Ugo De Rosa opened his first workshop on Via Padova in 1953. The premium is real — these are not vinyl graphics or decal-applied colors. They are paint finishes that reflect the craft tradition the brand has built across seven decades.\u003c\/p\u003e\n\n\u003cp\u003eThe frameset package includes the Merak Disc frame, De Rosa's full carbon disc fork, a proprietary De Rosa carbon aero seatpost with a wedge-clamp system and grip-treated surface to prevent slipping, and a headset. What you add — groupset, wheels, cockpit — is your choice. The foundation De Rosa provides is a frame that has won Grand Tour stages, carries 70 years of Milan craftsmanship, and arrives in finishes that no off-the-shelf build will ever wear. For riders who want a lightweight all-rounder with genuine race pedigree and the patience to build it correctly, the Merak Disc Luxury Color is the frameset to start with.\u003c\/p\u003e","brand":"De Rosa","offers":[{"title":"Blue \/ 43cm","offer_id":43652101734444,"sku":"DR-MERLX-DKFR20.BLUE.43","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 46cm","offer_id":43652101799980,"sku":"DR-MERLX-DKFR20.BLUE.46","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 48cm","offer_id":43652101865516,"sku":"DR-MERLX-DKFR20.BLUE.48","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 50cm","offer_id":43652101931052,"sku":"DR-MERLX-DKFR20.BLUE.50","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 52cm","offer_id":43652101996588,"sku":"DR-MERLX-DKFR20.BLUE.52","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 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56cm","offer_id":44045644726316,"sku":"DR-MERLX-DKFR20.RED.56","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ 58cm","offer_id":44045644824620,"sku":"DR-MERLX-DKFR20.RED.58","price":6000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-merak-disc-luxury-color-frameset-9698304.jpg?v=1771301174"},{"product_id":"de-rosa-idol-frameset","title":"De Rosa IDOL Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eDe Rosa IDOL Frameset\u003c\/strong\u003e is a road frame from one of Italy's most storied bike builders, built around what De Rosa calls a triple monocoque carbon structure — a design the brand describes as the meeting point between evolution and tradition. That phrase gets used a lot in marketing copy, but on this frame it means something specific: De Rosa kept the details that define its race frames, an integrated headset, a proprietary seatpost, a threaded bottom bracket, while building the whole structure as one continuous carbon monocoque rather than a collection of bonded tubes.\u003c\/p\u003e\n\u003cp\u003eThat triple monocoque construction is meant to give the frame a light, responsive feel without the compliance getting sacrificed for stiffness. De Rosa built in oversized horizontal chain stays to keep power transfer efficient under hard pedaling, while the top tube and seat stays run a slightly curved, arc-slope shape intended to take some of the edge off rough pavement. It's a design that leans into De Rosa's long-running approach to race geometry: stable enough to trust at speed, but not so aggressive that it only works for a full-time racer.\u003c\/p\u003e\n\u003cp\u003eThe details underneath tell you this is a frame built the De Rosa way rather than chasing every current industry trend. The fork is De Rosa's own IDOL carbon unit with a straight 1 1\/8\" steerer, paired with a 1 1\/8\" Hiddenset headset that tucks the bearings into the head tube for a clean, low-profile junction between fork and frame. The seatpost is De Rosa's proprietary integrated design, shaped to work specifically with this frame's seat tube rather than accepting any off-the-shelf round post. Down at the bottom bracket, the frame uses a 70mm Italian threaded shell — a standard that's been part of De Rosa's identity for decades, and one that a lot of riders still prefer over a press-fit design for how simply it installs, services, and stays quiet over years of hard use. The front derailleur mounts via a 31.8mm clamp rather than a braze-on tab, keeping setup straightforward for anyone building this frame up with their own drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe IDOL is available in four sizes — 57cm, 59cm, 61cm, and 64cm — built around 700c wheels and De Rosa's arc-slope geometry across the full size range, so a taller or shorter rider gets a frame tuned to their proportions rather than a single geometry stretched to fit. It comes in four colorways: Matte Black, Yellow, Black\/Grey, and Black\/Red, giving a builder some real choice in how the final bike looks rather than a single stock finish.\u003c\/p\u003e\n\u003cp\u003eAt $1,099.99 against a $3,800 regular price, this is a rare way into a genuine Italian-built race frame without paying anything close to what it originally cost. It's a frame-only purchase — no fork, groupset, or wheels included — which makes it the right call for a rider who already has a build in mind, or who specifically wants De Rosa's threaded-bottom-bracket, integrated-headset construction on their next bike rather than whatever's standard on a mass-produced frame. It's final sale, so it suits a buyer who knows their measurements and is confident in the size they're ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Matte Black \/ 57cm","offer_id":43652303028268,"sku":"10001278","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 59cm","offer_id":43510738518060,"sku":"10019167","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 61cm","offer_id":43652302962732,"sku":"10019178","price":1099.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ Grey \/ 64cm","offer_id":43652302995500,"sku":"10019173","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Red \/ 64cm","offer_id":44045361774636,"sku":"10019174","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 57cm","offer_id":44045361807404,"sku":"10019161","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-idol-frameset-4741942.jpg?v=1771301174"},{"product_id":"de-rosa-king-3-rs-frameset","title":"De Rosa King 3 RS Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eDe Rosa King 3 RS Frameset\u003c\/strong\u003e carries one of Italian cycling's most storied family names into a modern carbon race frame. De Rosa was founded in Milan in 1953 by Ugo De Rosa, and the brand built its reputation through direct, personal ties to professional racing rather than marketing campaigns. Ugo became Eddy Merckx's personal mechanic in 1972, a partnership that ran through the rest of Merckx's career, and by 1973 De Rosa's heart logo was already appearing on professional team bikes. The King 3 carries that racing lineage forward into carbon: the original King 3 was the carbon frame De Rosa hand-built in Italy for the 2008 Rock Racing Team, and the King 3 RS variant continued that connection as the frame of choice for the Fly V Australia team.\u003c\/p\u003e\n\n\u003cp\u003eThe frame itself is a monocoque built from Toray T-700SC carbon fiber, paired with 46T HS40 carbon pre-preg through key sections of the layup. That combination is what gets the King 3 RS down to a frame weight under 1kg — De Rosa lists it at roughly 10 percent lighter than the standard King 3, which itself was already built around a target weight near 950 grams. For a monocoque frame from an Italian builder with De Rosa's history of hand-finishing every frame, that's a genuinely light structure, built to hold the stiffness-to-weight balance a race frame needs under hard accelerations and out-of-the-saddle efforts.\u003c\/p\u003e\n\n\u003cp\u003eUp front, the King 3 RS pairs with a De Rosa custom Mizuno full carbon fork built with a straight-blade design, mounted to a 1 1\/8\" hiddenset headset that keeps the head tube junction clean and free of external cups. The bottom bracket uses De Rosa's own 70mm Italian threaded standard rather than a press-fit design, a detail that matters to riders who'd rather deal with a serviceable, creak-resistant threaded shell over the life of the frame than chase down press-fit bearing noise. The front derailleur mounts via a 35.0mm clamp-on band, and De Rosa specs its own integrated seatpost, adjustable across roughly 5cm of setback and height, rather than relying on a generic round post — a detail that keeps the seat tube junction as clean as the head tube.\u003c\/p\u003e\n\n\u003cp\u003eThe King 3 RS frameset is available in Black\/Red or Black\/Orange, colorways that echo the bolder team liveries De Rosa has run through its racing history rather than a muted, understated finish. As a frameset rather than a complete build, it's aimed at a rider who wants to spec their own groupset, wheels, and cockpit around a race-proven Italian carbon platform — a common route for riders upgrading from an older frame or carrying over parts from a previous bike rather than starting from scratch with a full build.\u003c\/p\u003e\n\n\u003cp\u003eDe Rosa's own history runs from Ugo's earliest steel frames in the 1950s through titanium in 1993, aluminum by 1996, and into carbon by 2000, with the King 3 RS representing the racing-focused output of that carbon era. It's a frame built by a company that spent decades as the frame supplier behind some of the sport's most recognizable riders and teams before selling to the public at this level, and that history is part of what a rider is buying along with the carbon layup itself. For a rider who wants an Italian-built frameset with a direct line back to De Rosa's Molteni and Merckx-era racing pedigree — built light, finished with the brand's own fork, seatpost, and Italian threaded bottom bracket — the King 3 RS carries real racing history into a build a rider can spec on their own terms.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Black \/ Orange \/ 66cm","offer_id":43510738780204,"sku":"10026149","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Orange \/ 67cm","offer_id":43652302798892,"sku":"10026151","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Red \/ 67cm","offer_id":44045362233388,"sku":"10026152","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Red \/ 69cm","offer_id":44080093167660,"sku":"DRKING3RSFSBLKRD69","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-king-3-rs-frameset-9409946.jpg?v=1771301173"},{"product_id":"de-rosa-king-3-limited-frameset","title":"De Rosa King 3 Limited Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eDe Rosa King 3 Limited Frameset\u003c\/strong\u003e carries forward integrated-seatmast technology that De Rosa first introduced on its Idol frame, reworked into a full monocoque carbon platform with an overhauled shape and geometry. De Rosa has been building bikes out of Cusano Milanino, just outside Milan, since 1953, and Ugo De Rosa's name is still tied to the brand's reputation for frame craftsmanship built up over more than six decades. The King 3 sits in that lineage as a race-oriented carbon frame, offered here as a frameset only, ready to be built up around the groupset and finishing kit of your choice, letting you shape the final build entirely around your own component preferences.\u003c\/p\u003e\n\n\u003ch3\u003eMonocoque Carbon Construction\u003c\/h3\u003e\n\u003cp\u003eThe frame is built as a single monocoque structure in Mizuno T-700SC carbon fiber, a construction method that avoids bonding separate tube sections together in favor of one continuous molded shape. De Rosa targets a frame weight of around 950 grams with this layup, and pairs that lightness with a composite structure the company builds to its own standards for torsional rigidity, density, and mechanical resistance. The geometry on the King 3 was reworked specifically around seat tube angle, tuned to optimize pedaling position for riders running a modern compact crankset rather than the older gearing standards the original King was designed around. That combination of a light, monocoque structure and a race-tuned seat tube angle is what De Rosa points to when it calls the King 3 an on-road performance frame rather than a comfort-oriented endurance design.\u003c\/p\u003e\n\n\u003ch3\u003eIntegrated Seatpost and Internal Cable Routing\u003c\/h3\u003e\n\u003cp\u003eOne of the King 3's defining features is its integrated seatpost, a De Rosa custom design offering 5cm of saddle height adjustability within the integrated system rather than the wider range of a standard external post. It's a design tradeoff that favors a cleaner look and a stiffer connection between saddle and frame over the simplicity of swapping a standard post, and it's worth planning for that limited adjustability range before ordering rather than after the frame arrives. Cable routing runs internally through what De Rosa describes as the frame's more \"muscular\" tube sections, keeping housing out of the airflow and off the exterior of the frame for a cleaner overall look than the King it replaced. Between the internal routing and the integrated seatmast, the King 3's silhouette reads more like a single continuous shape than a bike built from separate tubes joined together.\u003c\/p\u003e\n\n\u003ch3\u003eFrame Details and Build Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe King 3 pairs with a De Rosa custom Mizuno full carbon fork and requires a 1 1\/8\" integrated headset. The front derailleur mounts via a 35.0mm clamp-on band rather than a direct-mount tab, and the bottom bracket uses a 70mm Italian threaded shell, a spec that reflects De Rosa's Italian frame-building tradition rather than the press-fit standards common on many modern carbon frames. De Rosa originally offered the King 3 across as many as ten total frame sizes, and this particular frameset is available in the 66cm and 67cm sizes, with a 560mm and 565mm top tube respectively, a 73-degree and 72.5-degree seat tube angle, and a shared 408mm chainstay length built around 700c wheels. Those are large frame sizes, built for taller riders who've often had a harder time finding a race-geometry frame that actually fits their proportions without an oversized reach or a stack height that forces a pile of spacers under the stem.\u003c\/p\u003e\n\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cp\u003eThis specific frameset comes in a Limited Pearl White colorway, one of several special editions De Rosa produced for the King 3 beyond its standard color range, a detail that matters to buyers who care about riding something their local group ride hasn't already seen a dozen times. It's also priced well below where a King 3 frameset would typically land, a final sale price on a frame that isn't currently part of De Rosa's active lineup, which makes it a way into genuine Italian-built carbon construction at a price closer to a mass-produced frame than a boutique one. Buying a discontinued limited-run frame does mean accepting a narrower parts ecosystem than a current model, particularly around headset and integrated seatpost service parts, which is worth factoring into the build plan alongside the price. For a taller rider looking to build a custom carbon race bike around Italian frame-building heritage, integrated-seatmast styling, and a genuinely rare colorway, the King 3 Limited is a frameset worth building around rather than a complete bike to simply ride out of the box.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Limited Pearl White \/ 66cm","offer_id":43510741303340,"sku":"10005020","price":1299.99,"currency_code":"USD","in_stock":false},{"title":"Limited Pearl White \/ 67cm","offer_id":43510741336108,"sku":"10005021","price":1299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-king-3-limited-frameset-6907579.jpg?v=1771301171"},{"product_id":"de-rosa-dual-hf-frameset","title":"De Rosa Dual HF Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eDe Rosa Dual HF Frameset\u003c\/strong\u003e comes from one of cycling's most storied addresses: a workshop in Cusano Milanino, just outside Milan, where Ugo De Rosa began building frames in 1953. The name became bound to cycling history when Eddy Merckx — arguably the greatest road racer who ever lived — chose De Rosa frames for his Tour de France victories and his legendary Hour Record attempt. That tradition of Italian craftsmanship informs everything the company produces, and the Dual HF carries it forward with a design philosophy centered on riding character over material orthodoxy.\u003c\/p\u003e\n\u003cp\u003eThe \"Dual\" in the name refers to the frameset's construction strategy: a hydroformed aluminum main frame combined with a carbon seat stay. Hydroforming allows the aluminum tubes to be shaped with greater precision than traditional butting — tighter profiles, optimized cross-sections, and consistent wall thickness through complex junctions — which translates to efficient power transfer and lateral stiffness where it matters most. The carbon seat stay picks up where aluminum's limitations begin, providing vertical compliance that reduces road vibration and helps the bike stay comfortable when the pavement deteriorates. It's a genuine performance trade-off, not a cosmetic one. The fork continues this thinking: a Mizuno carbon unit with a 1 1\/8\" steerer that keeps weight low at the front end and contributes to the road-smoothing character the carbon rear stay establishes.\u003c\/p\u003e\n\u003cp\u003eGeometry is sloping, which reduces standover height and produces a shorter, stiffer rear triangle — a configuration that suits spirited riding and responds well to changes in pace and effort. The build spec is entirely conventional: Italian-threaded bottom bracket shell (70mm), 35.0mm clamp-on front derailleur mount, and a 31.6mm seatpost diameter. These are standard dimensions that work with virtually any road groupset and a wide range of aftermarket components. The 1 1\/8\" hiddenset headset keeps the head tube profile clean and consistent with De Rosa's racing aesthetic. One size remains available — 54cm in orange — making this a focused opportunity for the right rider.\u003c\/p\u003e\n\n\n\u003ch3\u003eDesign Benefits\u003c\/h3\u003e\n\u003col class=\"design_benefits\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroformed aluminum main frame\u003c\/strong\u003e — Precise tube shaping produces optimized cross-sections through the bottom bracket and head tube junctions, delivering lateral stiffness and efficient power transfer without the weight penalty of older aluminum construction methods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon seat stay\u003c\/strong\u003e — Vertical compliance from the carbon rear stay reduces road vibration and fatigue, giving the frameset a noticeably smoother ride character than a full-aluminum design without sacrificing pedaling efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMizuno carbon fork\u003c\/strong\u003e — The dedicated carbon fork completes the vibration-management picture at the front end, reducing road buzz and keeping overall weight competitive while complementing what the rear stay already provides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard build dimensions\u003c\/strong\u003e — Italian-threaded BB, 1 1\/8\" headset, and 31.6mm seatpost are universally compatible with road groupsets and component options across every major manufacturer, giving you full flexibility on the build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDe Rosa provenance\u003c\/strong\u003e — Built in the tradition of a Milan workshop that has been constructing racing frames since 1953, including the machines on which Eddy Merckx made cycling history.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFinal Take\u003c\/h3\u003e\n\u003cp\u003eThe De Rosa Dual HF is a thoughtfully engineered road frameset that uses dual-material construction to deliver ride quality that pure aluminum can't match. Available here in a single configuration — 54cm in orange — this is a genuine Italian racing frame offered at a price that reflects a clearance opportunity, not a compromise in the original design intent. Build it up with the drivetrain it deserves and ride it the way Cusano Milanino intended.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Orange \/ 54cm","offer_id":43510747889708,"sku":"10041378","price":1199.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-dual-hf-frameset-6691291.jpg?v=1771301171"},{"product_id":"de-rosa-collezione-acciaio-frameset","title":"De Rosa Collezione Acciaio Frameset","description":"\u003cdiv\u003e\n\u003cp\u003eThere is a particular kind of ride that only a handbuilt steel road bike can offer — one that asks you to slow down just enough to feel the road beneath you, to notice the way the frame absorbs the texture of tarmac rather than simply transmitting it. The \u003cstrong\u003eDe Rosa Collezione Acciaio Frameset\u003c\/strong\u003e is that kind of bike. Built by hand in Italy from Columbus steel tubing, it carries the weight of a framebuilding tradition that stretches back to Ugo De Rosa's Milan workshop in 1953. This is not a nostalgia exercise. It is a considered argument for what steel, done properly, still does better than almost anything else.\u003c\/p\u003e\n\u003cp\u003eThe Collezione Acciaio is constructed using traditional lugged joinery — a method that connects the tubes through precisely machined steel lugs rather than welds. The result is a frameset that is as visually striking as it is mechanically coherent. Lugged construction demands a level of fit and finish that exposes any imprecision immediately, which is exactly why De Rosa continues to use it. Every lug junction on the Acciaio reflects decades of accumulated craft knowledge, finished to a standard that makes the frameset as much an object of appreciation at rest as it is in motion.\u003c\/p\u003e\n\u003cp\u003eOn the road, Columbus steel delivers a ride character that carbon frames are still working to replicate — a compliance that works with the rider rather than against them, smoothing out road chatter on long days without ever feeling vague or soft under power. Whether you are holding a steady tempo on a classic Italian fondo route or pushing into a headwind on a long weekend loop, the Acciaio rewards patient, committed riding. It is a road frameset built for cyclists who understand that performance and pleasure are not mutually exclusive.\u003c\/p\u003e\n\n\n\u003ch3\u003eDesign Benefits\u003c\/h3\u003e\n\u003col class=\"design_benefits\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLugged Steel Construction:\u003c\/strong\u003e Traditional lug-and-tube joinery is not merely aesthetic — it creates a mechanical bond between frame tubes that distributes stress across a broader contact area than a weld. On the road, this translates to a frameset that feels cohesive and composed, with none of the localized stiffness that can make modern frames feel harsh on rough surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColumbus Steel Ride Quality:\u003c\/strong\u003e Columbus tubing has a long-established reputation for combining tensile strength with a degree of natural flex that synthetic materials work hard to imitate. \u003cstrong\u003eThe Acciaio's steel construction absorbs road vibration progressively\u003c\/strong\u003e, keeping your hands and back fresher across long-distance riding — without sacrificing the responsiveness you need when the road tilts upward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItalian Handbuilt Craftsmanship:\u003c\/strong\u003e Each frame is assembled by hand in Italy, a process that demands close human oversight at every stage. The tolerances involved in lugged construction leave no room for imprecision — tubes must be cut, fitted, and finished with exacting care. The outcome is a frameset built to last decades, not seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTen-Size Range:\u003c\/strong\u003e With sizes spanning 48cm through 57cm, the Acciaio is designed to accommodate a wide range of riders without compromise. A proper fit on a steel road bike matters more than on most — the frame's ride character is built around its geometry, and the size range ensures that character reaches the rider as intended.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFinal Take\u003c\/h3\u003e\n\u003cp\u003eThe De Rosa Collezione Acciaio is a road frameset for riders who have thought carefully about what they want from a bicycle — and arrived at an answer that has nothing to do with trend cycles or specification checklists. It suits the cyclist drawn to long roads, careful riding, and objects made with genuine intent. De Rosa has been building frames this way for over seventy years. The Acciaio makes a compelling case for why that still matters.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Blue \/ 48cm","offer_id":44880405266476,"sku":"DR-COAC-FR.BLU.48","price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 49cm","offer_id":44880405299244,"sku":"DR-COAC-FR.BLU.49","price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 50cm","offer_id":44880405332012,"sku":"DR-COAC-FR.BLU.50","price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 51cm","offer_id":44880405364780,"sku":"DR-COAC-FR.BLU.51","price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 52cm","offer_id":44880405397548,"sku":"DR-COAC-FR.BLU.52","price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 53cm","offer_id":44880405430316,"sku":"DR-COAC-FR.BLU.53","price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 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61cm","offer_id":44880406609964,"sku":"DR-COAC-FR.ROSSO.61","price":3900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/de-rosa-collezione-acciaio-frameset-5211731.jpg?v=1771292413"},{"product_id":"de-rosa-collezione-acciaio-w-chrome-lugs-and-rear-triangle-frameset","title":"De Rosa Collezione Acciaio w\/Chrome Lugs and Rear Triangle Frameset","description":"\u003cdiv\u003e\n  \u003cp\u003eThe \u003cstrong\u003eDe Rosa Collezione Acciaio w\/Chrome Lugs and Rear Triangle Frameset\u003c\/strong\u003e is not a carbon frame dressed in retro livery. It is a faithful reproduction of the steel road bikes that De Rosa built in Cusano Milanino from 1953 through the early 1990s — the same lugged steel architecture, the same construction methods, the same proportions that made De Rosa frames among the most coveted in road cycling for four decades. This version goes a step further with full chrome plating on both the lugs and the rear triangle, a finishing detail that places it at the top of what lugged steel framebuilding can look like.\u003c\/p\u003e\n\n  \u003cp\u003eThe frame and fork are built from Columbus steel tubing, joined with chrome-plated lugs at every junction. Lugged construction uses pre-formed steel shells fitted over each tube end — the joint is brazed at high heat and finished by hand. Each lug functions as both a structural connection and a design element, and on the Acciaio, the chrome plating extends across the entire rear triangle: chainstays, seatstays, and their junctions all polished to a mirror finish. Against any of the three colorways — Blue, Champagne, or Rosso — the chrome reads as a deliberate accent rather than an ornament. De Rosa offers this frameset in fourteen sizes from 48cm to 61cm, one of the widest ranges available on a handmade Italian steel road frame.\u003c\/p\u003e\n\n  \u003cp\u003eThe Acciaio collection was created as a direct tribute to De Rosa's historical frames, and the details reflect that intent precisely. Each frameset carries the De Rosa logo as it appeared from 1960 to 1968 — a period when the brand was establishing itself as a builder of serious race bikes in the northern Italian framebuilding tradition. De Rosa has been making frames in Cusano Milanino since 1953, and the Acciaio draws on the full depth of technique accumulated over those decades. The geometry, proportions, and construction approach replicate the original bikes, not a stylized interpretation of them.\u003c\/p\u003e\n\n  \u003cp\u003eThe specifications are traditional and worth understanding before ordering. The headset is 1\" threaded, the standard that defined road bikes through the late 1990s before oversized tapered steerers became the norm — quality 1\" threaded options from Campagnolo, Chris King, and Tange remain widely available. The seatpost diameter is 27.2mm, the classic size for steel frames that provides a degree of natural flex unavailable in larger-diameter carbon posts. The bottom bracket uses Italian threaded shell sizing — 36mm x 24 tpi — which requires a compatible cup-and-cone or external BB, not a press-fit or threaded insert unit. These aren't limitations so much as invitations to build the frame correctly. A thoughtful, period-considered component selection suits this frameset; modern carbon cockpits and electronic groupsets work against what the Acciaio is.\u003c\/p\u003e\n\n  \u003cp\u003eSteel has a ride quality that carbon cannot replicate. The material's natural elasticity — its tendency to flex slightly under load and return — produces a feel that experienced riders consistently describe as alive underfoot. On a well-built lugged frame, that characteristic is particularly pronounced because the tube-to-lug construction allows the individual sections some independence before the brazed junction brings them back into sync. Road texture and repetitive input arrive without the sharp, buzzing quality of a stiff carbon frame, and over a long day in the saddle that difference accumulates. A well-maintained steel frame also ages in a way composite materials don't: gradually, predictably, and reparably.\u003c\/p\u003e\n\n  \u003cp\u003eThe Collezione Acciaio with chrome lugs and rear triangle is built for a specific kind of buyer — someone who knows what they want, knows how to build it, and is looking for a frame worth the effort. At $4,800, it is priced as the collector-grade Italian steel frameset it is, not an entry point into the category. For riders who have spent years on modern carbon and want to understand what road cycling felt like before stiffness became the only metric, or for collectors who want De Rosa's heritage represented properly in their stable, this is the frame to build around.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"Blue \/ 48cm","offer_id":44880417620012,"sku":"DR-COAC-CHFR.BLU.48","price":4800.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 49cm","offer_id":44880417652780,"sku":"DR-COAC-CHFR.BLU.49","price":4800.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 50cm","offer_id":44880417685548,"sku":"DR-COAC-CHFR.BLU.50","price":4800.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 51cm","offer_id":44880417718316,"sku":"DR-COAC-CHFR.BLU.51","price":4800.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 52cm","offer_id":44880417751084,"sku":"DR-COAC-CHFR.BLU.52","price":4800.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 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