GY6 Chinese 125cc 150cc 139qmb Scooter Performance Racing Torque Clutch Spring 1000 1500 2000 RPM 1k 1.5k 2k

GY6 Chinese 125cc 150cc 139qmb Scooter Performance Racing Torque Clutch Spring 1000 1500 2000 RPM 1k 1.5k 2k

AliExpress