2000w 48V/52V/60V/72V 27.5” Electric Wheel Kit Rear Motor 45A Ebike Bicycle MTX
(Speed: 40+ mph with battery BMS 45A but better minimum 50A BMS. 1) The best price small distance Battery 48V 15 AH 40A. Transform your regular bike into a powerful electric bike with this high-quality conversion kit!