PROWHEEL 130MM BCD 52T Bike Crankset,165MM/170MM/172.5MM/175MM Crank Arm Set,ChainWheel and Replacement Chain Guard, Compatible with City Bike,Folding Bike,Road Bike,MTB,Electric Bicycle
【Material】Forged Alloy 6061 T6 crank, Chainring material is Alloy or Steel,Crank Finish:SAND BLACK.CCHAINRING FINISH: BLACK SAND ANO. or BLACK,high-strength steel chainring, detachable sprocket, easy to modify single-speed chainring.