{"product_id":"wilier-filante-slr-id2-dura-ace-di2-bike-w-power-meter-and-ceramicspeed-bearings","title":"Wilier Filante SLR ID2 Dura-Ace Di2 Bike w\/Power Meter","description":"\u003cp\u003eThe \u003cstrong\u003eWilier Filante SLR ID2 Dura-Ace Di2 Bike w\/Power Meter\u003c\/strong\u003e is Wilier's flagship aero road bike on the groupset most trusted by the largest share of WorldTour professionals, with two meaningful upgrades built directly into the spec: an integrated power meter and CeramicSpeed bearings. The Filante SLR ID2 is the result of a development program conducted hand-in-hand with the Groupama-FDJ United Cycling Team — a process that produced a 13.1% reduction in bike drag, a 5.22% improvement in combined bike-and-rider aerodynamics, and 14 fewer watts required at 40km\/h compared to the previous generation. The frame weighs 860 grams for a painted size M, and bottom bracket stiffness increased 7.49% to 201 Nm\/°. Wilier describes it as the fastest road bike in the WorldTour landscape, and the data supports that assessment.\u003c\/p\u003e\n\u003cp\u003eThe frame is the full HUS MOD+ Crystal Liquid Polymer carbon monocoque — Wilier's high-modulus-plus carbon construction with an advanced polymer resin system running through both the frame and fork. All cables route internally through Wilier's proprietary superslim headset bearing, a component not available on the general market and designed specifically for this bike. The front end is the F-Bar ID2 integrated carbon bar and stem, which includes a direct Garmin\/Wahoo computer mount and eliminates external cable exposure at the cockpit. Speed Release thru-axles run 12x100mm front and 12x142mm rear. The integrated design of the ID2 is a complete aerodynamic system, not a collection of parts that happen to be fast individually.\u003c\/p\u003e\n\u003cp\u003eThe groupset is Shimano Dura-Ace Di2 — R9250 derailleurs, R9270 shift-brake levers, R9270 hydraulic disc calipers, and the R9200 crankset with a factory-integrated power meter. The power meter is not an add-on or an aftermarket installation: it is the Dura-Ace R9200 crank with dual-sided power measurement built into the system from the factory. For riders who train with power, this eliminates a significant expense and the compatibility questions that come with installing third-party power meters on an integrated cockpit system. Chainrings are 52\/36 — a road-racing configuration that suits the aerodynamic intent of the Filante SLR ID2. The cassette is Shimano Dura-Ace R9200 12-speed 11-30, providing close-ratio gear spacing for high-cadence racing efforts on flat to rolling terrain.\u003c\/p\u003e\n\u003cp\u003eRotors are Shimano CL900: 160mm at the front and 140mm at the rear, a mixed-size setup that optimizes braking power at the front where it matters most while reducing weight at the rear. Miche Kleos 50 carbon wheels with CeramicSpeed bearings complete the friction-reduction theme across the rolling components — from the hub bearings through the bottom bracket, every bearing contact point is CeramicSpeed-equipped.\u003c\/p\u003e\n\u003cp\u003eVittoria Corsa Pro tires in 700x28 are standard front and rear, with the frame accepting up to 700x34. The saddle is the Prologo Nago R4 PAS Tirox at 137mm. Six colors — Firelight Red, Solar Bronze, Lunar Grey, Eclipse Black, Pure White, and Aurora Blue — are available across six sizes from XS to XXL.\u003c\/p\u003e\n\u003ch3\u003eDesign Benefits\u003c\/h3\u003e\n\u003col class=\"design_benefits\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilante SLR ID2 aerodynamic platform — WorldTour developed:\u003c\/strong\u003e -13.1% bike drag, -5.22% combined drag, 14W savings at 40km\/h, 860g frame at 201 Nm\/° BB stiffness — all against the previous generation, developed with Groupama-FDJ in wind tunnel and CFD testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated power meter in the Dura-Ace R9200 crankset:\u003c\/strong\u003e Factory-built dual-sided power measurement in the crankset itself — not an aftermarket add-on, not a separate sensor. The system works as a unit, with no compatibility concerns and no additional installation cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano Dura-Ace Di2 — the benchmark reference groupset:\u003c\/strong\u003e R9250 derailleurs and R9270 levers deliver Shimano's highest-level electronic shifting, with hydraulic disc braking and the widest ecosystem of compatible components of any high-end groupset on the market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF-Bar ID2 with Wilier proprietary superslim headset:\u003c\/strong\u003e The fully integrated cockpit routes all cables invisibly from bar through headset and frame, preserving the ID2's clean aerodynamic surface. The built-in Garmin\/Wahoo mount completes the cable-free, sensor-ready front end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed rotor sizing — 160mm front \/ 140mm rear:\u003c\/strong\u003e Shimano CL900 rotors sized for optimized braking balance — more surface area at the front where braking force is highest, reduced weight at the rear.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFinal Take\u003c\/h3\u003e\n\u003cp\u003eThe Wilier Filante SLR ID2 Dura-Ace Di2 with Power Meter is the data-driven build of Wilier's fastest aero road bike. The power meter is integrated, not an upgrade. The CeramicSpeed bearings are in the wheels from the factory. The aerodynamic case for the Filante SLR ID2 platform is documented and real. For the Shimano-oriented rider who wants all of those things in a single purchase, this is the build that delivers them.\u003c\/p\u003e","brand":"Wilier","offers":[{"title":"Firelight Red \/ XS","offer_id":45135915581484,"sku":"E666IPE 1F32","price":14800.0,"currency_code":"USD","in_stock":true},{"title":"Firelight Red \/ S","offer_id":45135915515948,"sku":"E666IPE 2F32","price":14800.0,"currency_code":"USD","in_stock":true},{"title":"Firelight Red \/ M","offer_id":45135915483180,"sku":"E666IPE 3F32","price":14800.0,"currency_code":"USD","in_stock":true},{"title":"Firelight Red \/ L","offer_id":45135915450412,"sku":"E666IPE 4F32","price":14800.0,"currency_code":"USD","in_stock":true},{"title":"Firelight Red \/ XL","offer_id":45135915548716,"sku":"E666IPE 5F32","price":14800.0,"currency_code":"USD","in_stock":true},{"title":"Firelight Red \/ XXL","offer_id":45135915614252,"sku":"E666IPE 6F32","price":14800.0,"currency_code":"USD","in_stock":true},{"title":"Solar Bronze \/ 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