| Model number | DDR-12 | ||
| Position | Front/Rear | ||
| Construction | Direct | ||
| Rated Voltage(V) | 24/36/48 | ||
| Rated Power(W) | 180-300 | ||
| Weight(kg) | 3.3 | ||
| Wheel Diameter(inch) | 8/10/12 | ||
| Rated Speed(km/h) | 25 | ||
| Magnet Poles(2P) | 15 | ||
| Dropout(mm) | 92/115 | ||
| Brake Type | Disk/Drum brake | ||
| Freewheel | Single | ||
| Operating Temperature(℃) | -20---45 | ||
| Efficiency(%) | ≥80% | ||
| Color | Black/Silver | ||
| Cabling Route | Shaft center left | ||
| Noise Grade(dB) | ≤55 | ||
| IP Grade | IP54 | ||
| Salt Spray Test Standard(h) | 24/96 | ||
