- 5-spoke ring replaces the existing chainring and spider on 3-bolt GXP cranks - Asymmetrical tooth shape for the best wear life, chain retention and mud clearance - Fits SRAM S2200, S2210, X9, X0, X01, XX1, X1 and Truvativ AKA GXP cranks - Dished ring provides 50mm chainline on GXP or BB30 / PF30 long spindle (with15.4mm drive side spacer) - Recommended for use with 10/11/SRAM 12sp chain (10sp chain works on 9sp drivetrain). Not compatible with Shimano 12 speed - Made in the USA from 7075-T6 aluminum alloy - 65g (30t)