12 inch 48V / 52V 500W front casted hub motor - electric bike conversion kit,DIY Bike Conversion Kit

12 inch 48V / 52V 500W front casted hub motor - electric bike conversion kit,DIY Bike Conversion Kit: This 12 inch 48V / 52V 500W front scooter 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 money ..