| Model number | GRF-02 | ||
| Position | Front | ||
| Construction | Gear | ||
| Rated voltage(V) | 24/36 | ||
| Rated Power(W) | 200-250 | ||
| Weight(kg) | 2.5 | ||
| Reduction Ratio | 1:4.4 | ||
| Wheel Diameter(inch) | 16-28 | ||
| Rated speed(km/h) | 25 | ||
| Magnet Poles(2P) | 10 | ||
| Dropout(mm) | 100 | ||
| Brake Type | Roller /V brake | ||
| Operating Temperature © | -20---45 | ||
| Efficiency(%) | ≧78% | ||
| Color | Black/Sliver | ||
| Cabling Route | Shaft center left | ||
| Noise Grade(dB) | ≤55 | ||
| IP Grade | IP54 | ||
| Salt Spray Test Standard(h) | 24/96 | ||
