Specialized Crux 10R Frameset Description:
When lessons learned in the development of the ultralight Aethos road bike are blended with cyclocross/gravel bike features, the result is the comfortable, high-performance Specialized Crux 10R Frameset. Specialized has created this frame utilizing their FACT 10r carbon fiber for a gravel bike that will deliver efficient power transfer and excellent handling characteristics; additionally, this carbon fiber construction will take the sting out of fire roads and choppy surfaces (thanks in part due to the generous tire clearance), and multiple bottle cage mounts ensure you will have the fluids and provisions to mount accessories that will enable a rider to go as far as possible. The combination of a high performance geometry, generous tire clearance, and build-up flexibility make this Crux frameset a one-way ticket to gravel enlightenment.
Features:
- Lightweight gravel bike with a high performance geometry updated with more tire clearance to make this bike more capable than ever before
- FACT 10r frame uses a blend of high and ultra-high modulus carbon fiber for a stiff and strong structure that also will have just enough flex and vibration control to reduce rider fatigue
- S-Works FACT carbon fiber fork with tapered steerer tube and thru-axle provides excellent steering precision and stability, especially when flying down high speed descents
- Internal derailleur cable, brake cable/hose, and dropper post routing improves aerodynamics and leaves a clean, uncluttered outward appearance
- Up to 3 water bottle bosses provides mounts for plenty of hydration and/or mounting points for pumps and other accessories
- Compatible with 1x mechanical/cable actuated or electronic drivetrains or 2X electronic drivetrains
- Clearance for up to 700c X 47mm or 650b X 2.1″ wide tires
- Includes the thru-axles, seat post collar, and headset bearing kit
Specifications:
- Frame Material: Crux FACT 10r Carbon (Rider First Engineered™) (Threaded BB) (12x142mm Thru-Axle) (Flat-Mount Disc) (UDH Dropout/Hanger)
- Fork Material: S-Works FACT Carbon (Tapered Steerer Tube) (12x100mm Thru-Axle) (Flat-Mount Disc)
- Headset: Included
- Headset Size: IS42/30 (Upper) | IS50/40 (Lower) (Tapered) (1-1/2” to 1-1/8”)
- Brake Compatibility: Disc Only (Hydraulic or Mechanical)
- Brake Mounts: Flat Mount
- Rotor Compatibility: 160mm Max (Front & Rear) (Adapter For Larger Rear Rotor Available Separately)
- Axle Type: Thru Axle
- Hub Spacing: 12 x 100mm (Front) | 12 x 142mm (Rear)
- Stem: Not Included
- Stem Size: 1-1/8″ Steerer
- Seatpost: Not Included
- Seatpost Diameter: 27.2mm
- Seatpost Clamp: Included (Alloy) (30mm)
- Bottom Bracket: Not Included
- Bottom Bracket Type: Threaded BSA
- Bottom Bracket Width: 68mm
- Drivetrain Compatibility: 1x Electronic & Mechanical | 2x Electronic Only
- Chainring Compatibility: 50t (1x) | 54/40t (2x)
- Tire Clearance: 700c x 47mm | 650b x 2.1”
- Cable Routing: Internal
- Dropper Post Routing: Yes
- Water Bottle Bosses: 3 Mounting Positions (Seattube/Downtube Top/Downtube Bottom)
- Fender/Rack Mounts: No
- Front Derailleur Mount: Braze-On
- Rear Derailleur Hanger: Included
- Model Year: 2026
- Color: Dolomite/Fjord Metallic/Quartz Metallic/Glacial Metallic
- Weight: 1400g (56cm)





















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