Supplier Order code: WDKY013. Designed for crankshaft applications, it plays a vital role in transmitting torque and preventing slippage. Jinlun: 125cc Cobra Scooter JL125T-6, 125cc Cruiser Scooter JL125T-12A, 125cc Tommy Scooter E3 JL125T-10, Hornet 125 LK125GY-2, JL125T-13.