Armature Shaft for RW500B1 Electric Motorcycle Chongqing Chicheng Manufacture Co., Ltd. Base Info Model NO.:RW500B1Type:GearboxMaterial:20crmntiCertification:Ts16949Trademark:GallopOrigin:Chongqing, ChinaHS Code:8483 Description Pre:Rear Wheel Bolt with Nuts 45# 40cr Next:Balance Driving&Driven Gear