DT Swiss Freehub Kits SRAM XD & XDR
DT Swiss Star Ratchet Upgrade Kits allow you to increase the speed of gearbox engagement for faster power transfer. Most Classic DT Swiss hubs come factory equipped with an 18T ratchet yielding 20 degrees of rotation between engagement points. EXP hubs come factory equipped with 36T ratchets. Ratchet upgrade kits are available with 24T, 36T and 54T for classic hubs, and 54T only for EXP type hubs.