Armature Shaft for RW500B1 Electric Motorcycle Hzm (Hangzhou) Bio Technology 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
