QS Motor QSD090A-80
QS090 80H Mid Drive Motor — 1000W rated IPM PMSM inrunner, the smallest motor in the QS mid-drive family. 90mm stator diameter, 80mm stack height, 5 pole pairs. Belt driven or sprocket design (428 14T adapter). Air cooled, IP54. Ideal for lightweight e-scooter and small vehicle conversions.
In brief: 1000W mid-drive motor. 48–72V rated. From $156.
Specs verified May 29, 2026
Where to Find
Prices tracked across 2 sellersPrice History
Price History
Price changes tracked by the crawler
Current best price $156.02. Over the past 90 days: low $149.07, high $156.36, average $152.46 — up 2% vs average.
- AliExpress - SiAECOSYS Electric Powertrain Store
All Records
14 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - SiAECOSYS Electric Powertrain Store(14 records) | |||||||||
| May 29, 202610:33 AM | $156.02 | — | $156.02 | $0.34 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $156.36 | — | $156.36 | $0.08 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $156.28 | — | $156.28 | $0.00 | — | — | — | Yes | active |
| May 25, 202601:55 PM | $156.28 | — | $156.28 | $6.91 | — | — | — | Yes | active |
| May 23, 202610:17 AM | $149.37 | — | $149.37 | $0.00 | — | — | — | Yes | active |
| May 22, 202609:01 AM | $149.37 | — | $149.37 | $0.44 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202609:07 AM | $149.81 | — | $149.81 | $0.00 | USSS12−$12.00 | — | — | Yes | active |
| May 19, 202609:09 AM | $149.81 | — | $149.81 | $0.66 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202609:08 AM | $149.15 | — | $149.15 | $6.90 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202609:01 AM | $156.05 | — | $156.05 | $0.00 | — | — | — | Yes | active |
| May 15, 202609:01 AM | $156.05 | — | $156.05 | $0.16 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202609:07 AM | $156.21 | — | $156.21 | $0.08 | SRUS04−$4.00 | — | — | Yes | active |
| May 12, 202609:07 AM | $156.13 | — | $156.13 | $7.06 | SRUS16−$16.00 | — | — | Yes | active |
| May 6, 202605:17 AM | $149.07 | — | $149.07 | Initial | — | — | — | Yes | active |
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Specifications
Motor Design
- Design
- Inrunner PMSM
- Stator Diameter
- 90mm
- Stator Height
- 80mm
- Pole Pairs
- 5
- Shaft Type
- Taper
- Cooling
- Air
Performance
- Wattage
- 1000W
- Rated Voltage
- 48–72V
Features
- PAS Sensor Type
- None
- Temp Sensor
- None
- Has Encoder
- No
Physical
- Weight
- 5 kg
- IP Rating
- IP54
Ports & Connectors
Phase Wires3 Ring Terminals
Motor Phase
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
Hall Sensor
Hall Sensor
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | No color | None |
| 3 | Black | Ground |
| 4 | Green | Hall A |
| 5 | Yellow | Hall B |
| 6 | Blue | Hall C |
