{"title":"Bicicletas De Rosa","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":"Cuadro electrónico De Rosa 888 Super King","description":"\u003cdiv\u003e\n\n De Rosa ha desplegado sus alas en su nuevo proyecto de fabricación de cuadros de carbono para carretera de alta calidad. Su último modelo, el más impresionante de los Protos, se llama 888 Super King.\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\r \nLa Super King está disponible en versión mecánica y electrónica. Lo que distingue a la Super King de cualquier otro fabricante es el tiempo y la colaboración que se han dedicado a integrar la batería EPS en el tubo inferior de forma impecable. Se ha pensado en cada aspecto, especialmente en la comodidad necesaria para cargar la batería. En la parte superior del tubo inferior, De Rosa ha construido un orificio para el puerto de carga, de modo que no tengas problemas para cargar la batería EPS. La versión electrónica de la 888 Super King también es compatible con el sistema Di2 de Shimano.\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n La De Rosa 888 Super King combina tres tipos diferentes de fibra de carbono de alto módulo. Algunos se utilizan para lograr rigidez y otros para mejorar la flexibilidad. El diseño general de la Super King con su uso especial de materiales le otorga la capacidad de ser superligera, extremadamente rígida y tener uno de los mayores niveles de flexibilidad en la carretera en la actualidad. Esto no es fácil, por lo que verá muchas formas y características complejas en el cuadro.\u003c\/div\u003e","brand":"De Rosa","offers":[{"title":"NERÓN \/ 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":"Cuadro De Rosa Avant","description":"\u003cspan style=\"font-weight: normal; font-size: 9pt;\"\u003e\u003cfont color=\"#1f1f1f\"\u003eLos diseñadores de De Rosa han tenido en mente el concepto clásico y moderno a la hora de diseñar el Avant, de líneas bien proporcionadas y gran importancia técnica. La estructura monocasco, limpia y sencilla, es ideal para interpretar las modas actuales que exige el deporte del ciclismo, donde el peso, la reactividad, la maniobrabilidad y el rendimiento son atributos clave de los que no se puede prescindir.\u003c\/font\u003e\u003c\/span\u003e\u003cbr type=\"_moz\"\u003e","brand":"De Rosa","offers":[{"title":"Rojo \/ 55 años","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":"Cuadro De Rosa Merak Disc","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 \/ 46 cm","offer_id":43652103503916,"sku":"DR-MERAK-DKFR.CIELO.46","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 48 cm","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 \/ 52 cm","offer_id":43652103667756,"sku":"DR-MERAK-DKFR.CIELO.52","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Cielo \/ 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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":"Azul \/ 43cm","offer_id":43652101734444,"sku":"DR-MERLX-DKFR20.BLUE.43","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Azul \/ 46 cm","offer_id":43652101799980,"sku":"DR-MERLX-DKFR20.BLUE.46","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Azul \/ 48 cm","offer_id":43652101865516,"sku":"DR-MERLX-DKFR20.BLUE.48","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Azul \/ 50cm","offer_id":43652101931052,"sku":"DR-MERLX-DKFR20.BLUE.50","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Azul \/ 52 cm","offer_id":43652101996588,"sku":"DR-MERLX-DKFR20.BLUE.52","price":6000.0,"currency_code":"USD","in_stock":true},{"title":"Azul \/ 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La investigación continua sobre materiales compuestos ha revelado cómo la integración de un 10 % de T-700sc (+50 % High Modulus) y 46T HS40 Carbon Pre-Preg (+40 % High Strenght 60T) garantiza características fundamentalmente mejores en un cuadro de carreras, como mayor ligereza, alto grado de rigidez, excelente absorción de vibraciones, excelente aceleración y extraordinaria manejabilidad.\u003cbr\u003e\n\u003cbr\u003e\n La King RS está construida como un monocasco sobre la base y las formas de la King3. Pesa menos de 1 kg, un 10 % menos que la King3. 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Primero con el mástil de sillín integrado de la Idol y ahora con la De Rosa King, pero mejor aún, han renovado por completo el cuadro con una revisión total. La nueva De Rosa King 3 es un cuadro de carbono monocasco que es superligero, rígido y excepcionalmente ágil. Con muchos colores especiales para elegir, incluido un exclusivo de R\u0026amp;A que pronto estará disponible en 10 tamaños en total, es muy fácil encontrar uno que se adapte a ti.\u003cbr\u003e \u003cbr\u003eEl cuadro King 3 está fabricado con tecnología single body y está disponible en hasta 10 tamaños. El cuadro presenta una estructura monolítica completamente en fibra de carbono T-700SC, la más resistente de todas, que le permite alcanzar el tan ansiado \"peso objetivo\" de 950 gramos de ligereza. Pero todo esto se combina con las más estrictas normas de seguridad, ya que el material compuesto que utiliza De Rosa cuenta con los más altos estándares de rigidez torsional, densidad y resistencia mecánica.\u003cbr\u003e\u003cbr\u003e La geometría de la De Rosa King 3 también es nueva, con una inclinación del tubo del sillín diseñada para optimizar el pedaleo con las juntas compactas actuales. Con su alma tecnológica, la De Rosa King 3 combina un diseño de protección vanguardista, caracterizado por el pilar de sillín \"integral\" y las secciones \"musculosas\" de sus segmentos, que alojan los cables en su interior. Asume el papel de protagonista absoluta en carretera, equilibrando forma y sustancia para producir la mejor combinación de ligereza, rigidez, agilidad y estética.","brand":"De Rosa","offers":[{"title":"Perla blanca limitada \/ 66 cm","offer_id":43510741303340,"sku":"10005020","price":1299.99,"currency_code":"USD","in_stock":false},{"title":"Perla blanca limitada \/ 67 cm","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-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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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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