Wilier Rave SLR ID2 GRX Di2 Bike w/Alloy Bar and Carbon Wheels
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Wilier Rave SLR ID2 GRX Di2 Bike w/Alloy Bar and Carbon Wheels
Wilier Rave SLR ID2 GRX Di2 Bike w/Alloy Bar and Carbon Wheels Info
When you're deciding where to put your money on a gravel race bike, the wheels are the right answer. Rotating weight and aerodynamic drag at the rim have a greater impact on real-world performance than an integrated carbon cockpit — and this build reflects that priority. The Wilier Rave SLR ID2 GRX Di2 with alloy bar and Miche Graff Aero 48 carbon wheels gives you the aero SLR carbon frame, Shimano's best gravel electronic drivetrain, and race-spec carbon wheels — at $6,600.
This isn't a budget build. It's a build with the right spec priorities.
SLR Carbon Frame — Wind Tunnel Aero, Race Geometry
The Rave SLR ID2 frame is the same across every build configuration: 990g of high-modulus SLR carbon shaped through months of wind tunnel development to deliver an 8.9% drag reduction over the previous Rave SLR. At 35km/h that translates to 5.3 watts saved — over 50 seconds across a 70km gravel race at 350 watts average power.
The NACA-profiled down tube widens at the base to shield your water bottles from airflow, the fork draws from Wilier's Supersonica SLR road platform, and fully integrated cabling keeps the cockpit and frame lines clean throughout. Tire clearance runs to 52mm — dramatically wider than the previous generation's 42mm — with 6mm of frame clearance to prevent mud packing. The frame is 1x-only with a Universal Derailleur Hanger, and each size from XS to XXL gets individually redesigned tube dimensions to maintain consistent ride characteristics across the range.
Shimano GRX Di2 — Electronic Precision for Gravel
GRX Di2 is Shimano's gravel-specific electronic groupset, and it's built around the demands of off-road riding in a way that standard road Di2 isn't. The lever ergonomics are shaped for gloved hands in wet conditions, the shifting response is instant and consistent under load, and the system tolerates dirt and contamination better than mechanical alternatives — all meaningful considerations when you're deep in a gravel event with hours still to go.
This build runs the GRX 800 series: 12-speed with a 40T chainring and 10-45T cassette. That gearing spread handles everything from loaded climbing to holding pace on fast fire road sections without the gaps you'd feel in an 11-speed range. Shift programming is adjustable via the Shimano E-Tube app — multi-shift, sequential shift, and custom button mapping let you configure the system to your riding style. Battery life is measured in hundreds of kilometers, and the Di2 junction box provides remaining charge at a glance.
Electronic shifting removes the mechanical variability that accumulates in cable-actuated drivetrains — cable stretch, housing compression, contamination in the barrel adjuster. On a long gravel race or a wet training block, the difference between a Di2 drivetrain and a mechanical one is felt in every gear change, and it compounds over the course of a ride.
Miche Graff Aero 48 Carbon Wheels — Where the Performance Is
The Miche Graff Aero 48 wheels are the performance centerpiece of this build, and they're the right place to invest. A 48mm carbon rim profile delivers genuine aerodynamic benefit on the open sections of a gravel course while staying manageable in crosswinds — deep enough to be fast on extended flats and rolling terrain, shallow enough to handle exposed ridgelines without becoming a sail.
Carbon construction reduces rotational weight at the rim where it matters most. Every gram of rotating weight requires more energy to accelerate and maintain speed than an equivalent gram on the frame — carbon wheels are one of the highest-return upgrades available on any road or gravel bike, and this build has them spec'd from the factory. The Graff Aero 48 is engineered specifically for gravel race use, not adapted from a road platform: the spoke tension, rim profile, and hub bearing standards are chosen for the combination of high-speed rolling and rough terrain that defines competitive gravel riding.
The Alloy Bar and What It Means for Your Build
The cockpit on this build is a Deda Superzero Gravel alloy handlebar with a Wilier Stemma S2 alloy stem — quality components that are light, stiff, and comfortable for long days in the drops. Riders who prefer a traditional two-piece cockpit over an integrated bar often find the adjustability easier to dial in for fit, and the serviceability straightforward if something needs to change. An alloy bar at this level is not a performance compromise; it's a different cockpit philosophy.
If you want to move to the Wilier F-Bar integrated carbon cockpit later, that upgrade is available. But most riders spending time on this build will find the Deda bar perfectly suited to the job — and will be grateful for the carbon wheels every time the course opens up.
Who This Build Is For
The Wilier Rave SLR ID2 GRX Di2 with alloy bar and carbon wheels is for serious gravel racers who understand the performance hierarchy and have spent it wisely. You get the aero frame, the best electronic gravel drivetrain, and race-spec carbon wheels — three of the four most impactful performance investments on a gravel race bike — at $6,600. It's the build that makes sense when you've thought it through.
Wilier Rave SLR ID2 GRX Di2 Bike w/Alloy Bar and Carbon Wheels - Specifications
*Specifications are subject to change.
Wilier Rave SLR ID2 GRX Di2 Bike w/Alloy Bar and Carbon Wheels Geometry
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Shipping bikes can be tricky. They are big and bulky but delicate. Shipping your passion / investment is nothing we take lightly. We go through great detail to ensure your new ride will get to you in perfect condition.
So you've purchased the bike of your dreams! We've put together this video to outline the R&A concept of shipping bikes and the steps we take to get you your new bike in perfect condition. It will show you the careful steps we take to assemble your bike to make it as easy as possible for you to get your bike on the road when you receive it. Ready to ride. It will also show you the tips and tricks of removing all of your parts in the most careful way to ensure your riding as quickly as possible.
