Specialized Crux Comp 2026

The Crux is the lightest gravel bike in the world, with ample tire clearance and gravel performance geometry. It is the ultimate expression of gravel performance. The Crux Comp features a Shimano GRX 12-speed groupset, durable DT G540 Disc wheels, and Pathfinder Pro 2Bliss Ready 700x38 tires.

The lightest
S-Works 12r frames weigh 725 g and 10r frames weigh 825 g. Specialized took the revolutionary innovations that made Aethos the lightest bike ever and applied them to the Crux. The result? A gravel bike that climbs like a dream, floats over nightmare terrain, and weighs less than a full water bottle in your bottle cage.

Capable
47c/650b x 2.1" tire clearance. More clearance means more capability. With Diverge-level tire clearance, the Crux takes you anywhere you can imagine, at full speed.

Responsive
Agile, flexible, and responsive. Responsive to the pedals. Flexible in the saddle. With performance gravel geometry and a race-inspired fit, influenced by the Crux's iconic cyclocross history.

Tech Spec

Frame

• Frame: Crux FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc, UDH dropout

Suspension

• Fork: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc

Brakes

• Front brake: Shimano GRX RX820
• Rear brake: Shimano GRX RX820

Drivetrain

• Shifters: Shimano GRX ST-RX820
• Rear derailleur: Shimano GRX RX822-GS, 12-speed
• Cassette: Shimano XT, 12-speed, 10-45t
• Chain: Shimano XT M8100, 12-speed w/ quick link
• Crankset: Shimano GRX RX820 40t
• Bottom bracket: Shimano Threaded BSA BB

Wheels & Tires

• Front tire: Pathfinder 700x40, Tubeless Ready
• Front wheel: DT Swiss G540 rim, 24 mm internal width, tubeless ready, 24h, Specialized hub with fully sealed bearings and thru-axle, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
• Rear tire: Pathfinder 700x40, Tubeless Ready
• Rear wheel: DT Swiss G540 rim, 24 mm internal width, tubeless ready, 24h, Specialized hub with fully sealed bearings and thru-axle, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
• Tubes: Presta, 700x32-50 mm

COCKPIT

• Stem: 3D forged alloy, 31.8 mm, 7-degree rise
• Handlebar: Specialized Adventure Gear, 118.9 mm drop x 70 mm reach x 12º flare
• Saddle: Body Geometry Power Sport, steel rails
• Seatpost: Roval Terra Carbon Seat Post, 20 mm offset
• Seat clamp: Specialized alloy, 30 mm
• Handlebar tape: Supacaz Super Sticky Kush

Producer's weight: 8.66 kg (size 56)

Producer's notes: depending on component availability, specifications are subject to change without notice. Images are for illustrative purposes only.