QS Motor QS273 8000W 50H V4 (17")
QS273 8000W 50H V4 Hub Motor with 17-inch integrated rim — BLDC direct drive outer rotor. 273mm stator diameter, 50mm magnet height, 16 pole pairs. 48-120V, 30-120 km/h (110 km/h at 72V). 350 Nm max torque. Multiple KV options (9.3/10.1/10.87/14.0). Disc brake. IP65. 200mm dropout. For electric motorcycle builds.
In brief: 8000W direct drive rear hub motor. 17" wheel. Fits 200.0mm dropout. 48–120V rated. Disc brake compatible. From $899.
Specs verified Jun 12, 2026
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Specifications
Performance
- Drive Type
- Direct Drive
- Wattage
- 8000W
- Rated Voltage
- 48–120V
- Pole Pairs
- 16
- Stator Diameter
- 273mm
- Max Torque
- 350.00Nm
- Max Speed
- 120km/h
Fitment
- Position
- Rear
- Dropout Width
- 200mm
Wheel
- Pre-laced
- Yes
- Wheel Size
- 17"
- Disc Brake
- Yes
Physical
- IP Rating
- IP67
Ports & Connectors
Phase Wires
Motor Phase
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
Hall Sensor
TemperatureHall Sensor
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | White | Motor Temp |
| 3 | Black | Ground |
| 4 | Yellow | Hall A |
| 5 | Green | Hall B |
| 6 | Blue | Hall C |
