Absoluteblack Premium Sram compatible Direct mount 1X Oval BB30 chainrings are designed for BB30/PF30 SHORT spindle cranks. Chainring is flat (0mm offset). 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.