Smart Rear Motor E-bike Conversion Kit SMA-Q
- Simple combination to let you convert your bike to e-bike with the lowest cost.
- Motor integrated smart torque sensor, it is easier on a gentle or steep slope and increases energy efficiency by 50%.
- 7 colors bottle battery, with lock and USB connector to ensure safety and easy charging as a power bank.
- Delivery in 5-7 working days.
- Warranty for the motor is 24months, others are 12 months.