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KRWThis is QS72V50H200508 3000-5000W gearless hub motor for electric fat bike, electric mountain bike and electric enduro bike with a pretty good quality and powerful performance.
This rear-drive motor, which is compatible with the disc brake, has a rated power of 3000-5000W and a maximum torque of 115 N.m, providing ideal power for vehicles. Strong and efficient, this motor, working together with a cassette or freewheel speed change mechanism, greatly enhances riding comfort and is suitable for beach buggies and snow bikes. It can be black or sliver.
Main Features:
1. 72V 3000-5000W brushless gearless hub motor
2. 745/825 rpm = 75km/h Max. speed
3. 150N.m Max. torque
4. 135/150/170/190mm installation width
5. 36H*10g spoke with wheel size of 20",24",26" 27.5" or 700C(28inch) available
6. mechanical disc brake / hydraulic disc brake available
7. motor cable with 8/9-pin regular connector or waterproof as required
8. 7s freewheel
9. 96h salt fog test
Different models of rear motor driving system:
| Model No. | RM G062.750.D | RM G062.1000.D | KS G2003 1500R | KS G2003 2000R |
| Rated Power (W) | 750 | 1000 | 1500 | 2000 |
| Wheel Size (inch) | 26/700C/28 | 26/700C/28 | 26/700C/28 | 26/700C/28 |
| Construction | gear | gear | gearless | gearless |
| Rated Voltage (DCV) | 48/52 | 48/52 | 48/52/60 | 48/52/60/72 |
| RPM | 350 | 400 | 500 | 600 |
| Max. Torque (N.m) | 80 | 85 | 90 | 95 |
| Efficiency (%) | ≥ 80 | ≥ 80 | ≥ 80 | ≥ 80 |
| Weight (KG) | 4.1 | 4.3 | 7.2 | 7.8 |
| Noise Grade (dB) | < 55 | < 55 | < 60 | < 60 |
| Operating Temperature (℃) | -20 - 45 | -20 - 45 | -20 - 45 | -20 - 45 |
| Installation Widths (mm / OLD) | 175 | 175 | 180 | 180 |
| Spoke Specifification | 36H*12G | 36H*12G | 36H*12G | 36H*12G |
| IP Level | 65 | 65 | 54 | 54 |
| Color | Black / Silver | Black / Silver | Black | Black |
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