Warranty
| Description | Duration | Function breakdown |
| Frame, Front Fork, Handlebar | 1 year | Open welding; Sealing off; Fracture; cracking in key position |
| Motor | 1 year | Internal tooth fracture, Bearing broken, Hub shell cracking, Coil burned, Magnet dropped, serious noise, others cause to the motor not work normally |
| Battery | 1 year | Battery case cracking, Leakage, Capacity less than 60% |
| Charger | 1 year | Short circuit or open circuit; not full charging or can’t charge; Light convert abnormally; lights not bright, others not in normal use |
| Controller | 1 year | Short circuit or break circuit, Burnt out, working W/O order, Relevant protection function failure |
| LCD Display | 1 year | Failure, unable to display |
