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 Pro comes spec'd with all-new SRAM Force XPLR AXS for effortless braking lighter weight with massive 13 speed gear range lightweight and durable Roval Terra CL Disc wheels and 2Bliss Ready 700x40mm 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.   Frame Crux FACT 10r Carbon Rider First Engineered™ Threaded BB 12x142mm thru-axle flat-mount disc UDH dropout Fork S-Works FACT Carbon 12x100mm thru-axle flat-mount disc Front Brake NEW SRAM Force AXS E1 hydraulic disc 160mm rotor Rear Brake NEW SRAM Force AXS E1 hydraulic disc 160mm rotor Rear Derailleur NEW SRAM Force XPLR AXS E1 Shift Levers NEW SRAM Force AXS E1 HRD Crankset NEW SRAM Force XPLR E1 Power Meter Cassette NEW SRAM Force XPLR XG-1371 13sp 10-46t Chain NEW SRAM Force E1 Bottom Bracket SRAM DUB BSA Front Wheel Roval Terra CL Rim 25mm internal width 32mm depth 24h Tubeless ready DT for Roval 350 hub Centerlock disc DT Swiss Competition Race spokes Rear Wheel Roval Terra CL Rim 25mm internal width 32mm depth 24h Tubeless ready DT for Roval 350 hub Centerlock disc DT Swiss Competition Race spokes Front Tyre Pathfinder 700x40 Tan Sidewall Tubeless Ready Rear Tyre Pathfinder 700x40 Tan Sidewall Tubeless Ready Inner Tubes Standard 40mm PV 700x32-50 Saddle Power Pro Mirror Hollow Ti rails SeatPost Roval Terra Carbon Seat Post 20mm Offset Handlebars Roval Terra carbon 103mm drop x 70mm reach x 12º flare Tape Supacaz Super Sticky Kush Stem Specialized Pro SL alloy 4-bolt Seat Binder Specialized Alloy 30mm Weight Size 56cm - 7.64 kg 16 lb 13.5 oz