Wilier Filante SLR ID2 Dura-Ace Di2 Bike w/Power Meter and CeramicSpeed Bearings
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Wilier Filante SLR ID2 Dura-Ace Di2 Bike w/Power Meter and CeramicS...
Wilier Filante SLR ID2 Dura-Ace Di2 Bike w/Power Meter and CeramicSpeed Bearings Info
The Wilier Filante SLR ID2 Dura-Ace Di2 Bike w/Power Meter and CeramicSpeed Bearings 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.
The 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.
The 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.
The bottom bracket is the Miche Integrale RD Pressfit 86.5 with CeramicSpeed bearings — a specifically ceramic-inserts-in-a-dedicated-pressfit-shell arrangement that reduces friction at the most load-intensive bearing interface on the drivetrain. Rotors 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.
Vittoria 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.
Specs at a Glance
- Frame: Carbon Monocoque HUS MOD+ Crystal Liquid Polymer, 860g (size M, painted)
- Fork: Carbon Monocoque HUS MOD+ Crystal Liquid Polymer
- Headset: Wilier Custom Superslim (proprietary)
- Seatpost: Filante SLR Carbon Custom, 0mm offset
- Cockpit: F-Bar ID2 Integrated Carbon Bar/Stem (Garmin/Wahoo mount)
- Groupset: Shimano Dura-Ace Di2 R9250, 12-speed
- Crankset: Shimano Dura-Ace R9200 with integrated power meter, 52/36
- Cassette: Shimano Dura-Ace R9200 12-speed, 11-30
- Bottom bracket: Miche Integrale RD Pressfit 86.5 w/CeramicSpeed Bearings
- Brakes: Shimano Dura-Ace R9270 Hydraulic Disc
- Rotors: Shimano CL900 160mm (front) / 140mm (rear)
- Wheels: Miche Kleos 50 Carbon w/CeramicSpeed Bearings
- Tires: Vittoria Corsa Pro, 700x28 (max 700x34)
- Saddle: Prologo Nago R4 PAS Tirox, 137mm
- Axles: Speed Release 12x100mm F / 12x142mm R
- Sizes: XS, S, M, L, XL, XXL
- Colors: Firelight Red, Solar Bronze, Lunar Grey, Eclipse Black, Pure White, Aurora Blue
Design Benefits
- Filante SLR ID2 aerodynamic platform — WorldTour developed: -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.
- Integrated power meter in the Dura-Ace R9200 crankset: 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.
- CeramicSpeed bearings throughout — wheels, BB, and hubs: The Miche Integrale BB and Miche Kleos 50 hubs are both CeramicSpeed-equipped. Ceramic bearings reduce friction at every rolling contact point on the drivetrain and wheel system.
- Shimano Dura-Ace Di2 — the benchmark reference groupset: 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.
- F-Bar ID2 with Wilier proprietary superslim headset: 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.
- Mixed rotor sizing — 160mm front / 140mm rear: Shimano CL900 rotors sized for optimized braking balance — more surface area at the front where braking force is highest, reduced weight at the rear.
Final Take
The Wilier Filante SLR ID2 Dura-Ace Di2 with Power Meter and CeramicSpeed Bearings 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 and the BB 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.
Wilier Filante SLR ID2 Dura-Ace Di2 Bike w/Power Meter and CeramicSpeed Bearings - Specifications
*Specifications are subject to change.
Wilier Filante SLR ID2 Dura-Ace Di2 Bike w/Power Meter and CeramicSpeed Bearings Geometry
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