Specialized Crux Comp 2025

The Crux is the lightest gravel bike in the world, with the exceptional capability of massive tire 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 Comp comes spec'd with a reliable and smooth-shifting Shimano GRX 12-speed groupset, tough DT G540 Disc wheels, and 2Bliss Ready, 700x38mm Pathfinder Pro tires that hookup over nasty terrain.

Lightest
725g S-Works 12r and 825g 10r frames. We took the revolutionary breakthroughs 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 nightmarish terrain, and weighs less than a full bottle in your cage.

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

Responsive
Nimble, supple, and reactive. Responsive at the pedals. Supple in the saddle. With performance gravel geometry and race-influenced fit inspired by Crux’s iconic history in ‘cross.

Tech Specs

Frameset

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

Cockpit

• Tape: Supacaz Super Sticky Kush
• Stem: 3D-forged alloy, 31.8mm, 7-degree rise
• Handlebars: Specialized Adventure Gear, 118.9mm drop x 70mm reach x 12º flare
• Saddle: Body Geometry Power Sport, steel rails
• SeatPost: Roval Terra Carbon Seat Post, 20mm Offset
• Seat Binder: Specialized Alloy, 30mm

Suspension

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

Brakes

• Front Brake: Shimano GRX RX820
• Rear Brake: Shimano GRX RX820

Drivetrain

• Shift Levers: Shimano GRX RX820, 1x12-speed
• 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
• Chainrings: 40T
• Bottom Bracket: Shimano Threaded BSA BB

Wheels & Tires

• Front Wheel: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
• Rear Wheel: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
• Front Tire: Pathfinder Pro 2BR, Tan Sidewall, 700x38
• Rear Tire: Pathfinder Pro 2BR, Tan Sidewall, 700x38
• Inner Tubes: 700x28/38mm, 48mm Presta valve

Weight

• Producer's weight: 8.55kg (18 lb, 13.6 oz)
• Weight Size: 56

Producer's weight: Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.