- 7075-T6 aluminum direct mount ring for SRAM GXP cranks with a removable spider - Fits XX1, X01, X0, X9, X7, S2210, S1400, and Truvativ AKA (GXP) - Narrow-wide teeth prevent chain drop, updated tooth profile runs quieter - Compatible with 9-12 speed chains, allowing a 1X set up on most any drivetrain
