QS Motor QS273 4000W 40H V3 (16")
QS273 4000W 40H V3 Hub Motor with 16-inch integrated rim — BLDC direct drive outer rotor hub motor. 273mm stator diameter, 40mm magnet height, 16 pole pairs. 48-120V, 30-100 km/h. Disc brake compatible. IP65 waterproof. For electric scooter and light motorcycle builds.
In brief: 4000W direct drive rear hub motor. 16" wheel. Fits 200.0mm dropout. 48–72V rated. Disc brake compatible.
Specs verified Jul 31, 2026
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Specifications
Performance
- Drive Type
- Direct Drive
- Wattage
- 4000W
- Rated Voltage
- 48–72V
- Pole Pairs
- 16
- Stator Diameter
- 273mm
- Max Speed
- 100km/h
Fitment
- Position
- Rear
- Dropout Width
- 200mm
Wheel
- Pre-laced
- Yes
- Wheel Size
- 16"
- Disc Brake
- Yes
Physical
- IP Rating
- IP65
Ports & Connectors
Phase Wires3 wires
Motor Phase
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
Hall Sensor6 wires
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 |



