Product Info
Details + Specs
Model Summary
The Crux is the lightest gravel bike in the world, with the exceptional capability of massive tyre clearance and performance gravel geometry. It's not just the ultimate expression of gravel performance, it's your one-way ticket to gravel enlightenment. This Crux Frameset pairs the FACT 10r Carbon frame with a matching S-Works FACT Carbon fork, so you can build the exact race-ready gravel bike you want from the frame up.
Key Highlights
- Genuinely lightweight race chassis: FACT 10r Carbon frame with a claimed weight of just 825 grams (size 56), built using the same breakthroughs that made the Aethos the lightest bike ever.
- Massive tyre clearance: fits up to 700x47c or 650b x 2.1" tyres, giving Diverge-level capability for going further off the beaten path.
- Race-influenced performance geometry: a nimble, responsive fit drawing on Crux's iconic history in cyclocross racing.
- Matching S-Works FACT Carbon fork included: 12x100mm thru-axle with flat-mount disc, engineered to match the frame's ride quality.
- Wide drivetrain and routing compatibility: threaded BSA bottom bracket and internal cable routing suit both mechanical and electronic groupsets.
Technical Specifications
- Frame: Crux FACT 10r Carbon, Rider First Engineered™, threaded BB, 12x142mm thru-axle, flat-mount disc
- Fork: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc (included)
- Headset: Tapered, 1-1/8" to 1-1/2"
- Bottom Bracket: Threaded BSA 68
- Seatpost: 27.2mm diameter, 30mm integrated seat clamp
- Maximum Tyre Clearance: 700x47c or 650b x 2.1"
- Frame Weight: 825g claimed (size 56)
- Available Sizes: 49, 52, 54, 56, 58, 61cm
- Included Hardware: Headset bearings and seat clamp hardware