| 型号 | GDR-21 | ||
| 安装位置 | Rear | ||
| 电机结构 | Gear | ||
| 额定电压(V) | 36 | ||
| 额定功率(W) | 250-350 | ||
| 重量(kg) | 2.8 | ||
| 减速比 | 1:8.5 | ||
| 轮径(inch) | 16-28 | ||
| 额定速度(km/h) | 20-30 | ||
| 磁钢极对数(2P) | 10 | ||
| 开档(mm) | 135 | ||
| 刹车类型 | V/Disk brake | ||
| 飞轮 | 6-7S | ||
| 工作温度 © | -20---45 | ||
| 效率(%) | ≧78% | ||
| 颜色 | Black | ||
| 出线方式 | Shaft center right | ||
| 噪音等级(dB) | ≤60 | ||
| 防水等级 | IP54 | ||
| 盐雾测试(h) | 24/96 | ||
