20 inch 48V / 52V 1500W rear hub motor wheel - electric bike conversion kit,DIY Bike Conversion Kit

20 inch 48V / 52V 1500W rear hub motor wheel - electric bike conversion kit,DIY Bike Conversion Kit: * This 20 inch 48V / 52V 1500W rear bike motor kit combines the full E-bike technology: direct drive Brushless Gearless high torque hub Motor to change almost every bicycle into a personal electric bike. Save energy, protect environment and save ...