BCD: Shimano Direct Mount
Position: Singlespeed
Teeth: 30T
Boost compatible: Yes
Round/Oval: Oval
Speed: 1×10/11/12 speed
Fits crankset: Fits to Shimano XTR M9100 , M9120, M9125, M9130, XT M8100, M8120, M8130 , SLX M7100, M7120, M7130, Deore M6100, M6120, M6130 & FC-MT900 cranksets. Works ONLY with CN-M9100, 8100, 7100 & 6100 Shimano 12spd Hyperglide+ chain.