A true all-rounder, the XMC family has a heritage that includes everything from Olympic gold medals to downhill speed record attempts, the XMC 1501's are designed to be the perfect lightweight, sturdy companions for big days out in all terrains. At the very centre of this system are the new Ratchet EXP 240 hubs the simplest, most reliable and lightest 240 hubs DT have ever made proving that DT remain the undisputed masters of ratchet technology. Ratchet EXP reduces the number of moving parts inside the hub and allows a wider bearing spacing, improving overall stiffness whilst improving bearing life and reducing drag, the hub still retains DT's easy tool-free servicing and ability to be worked on trailside if required.