The Crux is the lightest gravel bike in the world, featuring exceptional 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 equipped with a reliable and smooth-shifting Shimano GRX 12-speed groupset, tough DT G540 Disc wheels, and 2Bliss Ready, 700x40mm Pathfinder tires that grip well over rough 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, glides over challenging 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, the Crux takes you anywhere you can imagine, at full speed. Responsive: Nimble, supple, and reactive. Responsive at the pedals. Comfortable in the saddle. With performance gravel geometry and a race-influenced fit inspired by Crux’s iconic history in cyclocross.