•Patent-pending Wave tooth pattern provides better chain security, mud shedding, and durability than competing designs •Compatible with SRAM XX1, X01, X0, X9, 2200, 1400 and Truvativ AKA cranks. •-8 for 24mm GXP (and BB30 cranks using 15mm spindle spacer), -7 for 24mm GXP 36t •-1 for 30mm cranksets (using 9mm spindle spacer), -7 for 30mm 36t •Available in 28-36t even sizes •28-34t: 49mm chainline (68/73mm BB) & 54mm chainline (83mm BB) •36t: 50mm chainline (68/73mm BB) & 55mm chainline (83mm BB) •Compatible with 8-11 speed chains. •30t 54g, 32t 60g, 34t 69g, others TBD •*only S1400 models with removable spider (not S1000 models)