Premium Round direct mount chainring designed for Sram BB30/PF30 cranks with SHORT spindle. Fits SRAM XX1, XX1 Eagle, X01, X01 Eagle, X0, X9, X7, S2210, S1400 and Truvativ AKA cranks. BB30 short spindle only. Also fits for Fatbikes with GXP spindle! 9, 10, 11 and 12spd Eagle compatible.