| specification | parameter | parameter |
| Driving position | Rear | Rear |
| Wheel size | 20in | 20in |
| Spoke | 36 Holes 12G | 36 Holes 12G |
| Rated power | 250W | 500W |
| Rated voltage | 48V | 52V |
| Max.torque | ≥60N.m | ≥80N.m |
| Efficiency | ≥80% | ≥80% |
| Cable side | Left | Left |
| Number of magnet | 20 | 20 |
| Reduction gear ratio | 1:5.0 | 1:5.0 |
| Installation dimension | 190mm/Screw | 190mm/Screw |
| Inside speed sensor | 1 | 1 |
| Hall sensor | With | With |
| Free wheel | Screw 6-7s | Screw 6-7s |
| Brake | Disc-brake | Disc-brake |
| Classification of waterproof | IPX5 | IPX5 |
| Weight | 4.6Kg | 4.7Kg |