QS Motor QS273 40H (17")
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Genuine QS Motor QS273 40H direct-drive hub motor, pre-laced into a 17" fat rim. 273mm rotor, 40mm magnet stack, 16 pole pairs, 48–96V (72V design), ~250 N·m, ~18.2 kg, IP54. 150mm dropout, double-axle, spoke-laced, dual hall sensors. The largest spoke-laced QS hub motor — moped/light-motorcycle territory. Sold pre-laced by NBPower among other sellers.
In brief: 4000W direct drive rear hub motor. 17" wheel. Fits 150.0mm dropout. 48–96V rated. Disc brake compatible. From $660 across 3 sellers.
Specs verified Jun 21, 2026
Where to Find
Prices tracked across 4 sellersAliExpress - ND Ebike Factory Store
$699.20 + free shipping
AliExpress - NBEBIKES Store
$659.60 + $173.91 shipping
AliExpress - ND Ebike Factory Store
$706.50 + $214.13 shipping
eBay - NBPOWER EBIKES
$899.00 + $50.00 shipping
eBay - NBPOWER EBIKES
$899.00 + $50.00 shipping
AliExpress
Check seller for price* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Current best price $605.84. Over the past 90 days: low $597.52, high $899.00, average $691.49 — down 12% vs average.
- AliExpress - ND Ebike Factory Store
- AliExpress - NBEBIKES Store
- AliExpress
- eBay - NBPOWER EBIKES
- eBay - NBPOWER EBIKES
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(19 records) | |||||||||
| Jun 5, 202611:27 PM | $605.84 | $180.66 | $786.50 | $0.00 | SSUS40−$40.00 | — | — | Yes | active |
| Jun 5, 202611:27 PM | $605.84 | $180.66 | $786.50 | $0.00 | SSUS40−$40.00 | — | — | Yes | active |
| Jun 5, 202611:27 PM | $605.84 | $180.66 | $786.50 | $0.00 | SSUS40−$40.00 | — | — | Yes | active |
| Jun 5, 202611:27 PM | $605.84 | $180.66 | $786.50 | $0.00 | SSUS40−$40.00 | — | — | Yes | active |
| Jun 5, 202611:27 PM | $605.84 | $180.66 | $786.50 | $0.00 | SSUS40−$40.00 | — | — | Yes | active |
| Jun 5, 202611:27 PM | $605.84 | $180.66 | $786.50 | $109.38 | SSUS40−$40.00 | — | — | Yes | active |
| May 29, 202610:33 AM | $715.22 | — | $715.22 | $0.47 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $714.75 | — | $714.75 | $0.48 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $714.27 | — | $714.27 | $0.00 | — | — | — | Yes | active |
| May 25, 202601:55 PM | $714.27 | — | $714.27 | $1.93 | — | — | — | Yes | active |
| May 23, 202610:17 AM | $712.34 | — | $712.34 | $25.14 | — | — | — | Yes | active |
| May 22, 202609:02 AM | $687.20 | — | $687.20 | $0.47 | — | — | — | Yes | active |
| May 21, 202609:07 AM | $687.67 | — | $687.67 | $0.00 | — | — | — | Yes | active |
| May 19, 202609:09 AM | $687.67 | — | $687.67 | $1.86 | — | — | — | Yes | active |
| May 18, 202609:08 AM | $685.81 | — | $685.81 | $27.02 | — | — | — | Yes | active |
| May 16, 202609:07 AM | $712.83 | — | $712.83 | $0.00 | — | — | — | Yes | active |
| May 15, 202609:01 AM | $712.83 | — | $712.83 | $0.96 | — | — | — | Yes | active |
| May 14, 202609:07 AM | $713.79 | — | $713.79 | $0.49 | — | — | — | Yes | active |
| May 12, 202609:07 AM | $713.30 | — | $713.30 | Initial | — | — | — | Yes | active |
AliExpress - NBEBIKES Store(2 records) | |||||||||
| Jun 12, 202607:51 AM | $659.60 | $173.91 | $833.51 | $62.08 | — | — | — | Yes | active |
| Jun 5, 202607:52 AM | $597.52 | $173.91 | $771.43 | Initial | — | — | — | Yes | active |
AliExpress - ND Ebike Factory Store(1 record) | |||||||||
| Jun 5, 202607:52 AM | $630.80 | $0.00 | $630.80 | Initial | — | — | — | Yes | active |
eBay - NBPOWER EBIKES(10 records) | |||||||||
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:34 PM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 7, 202603:56 PM | $899.00 | — | $899.00 | Initial | — | — | — | Yes | active |
eBay - NBPOWER EBIKES(6 records) | |||||||||
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:46 AM | $899.00 | $50.00 | $949.00 | Initial | — | — | — | Yes | active |
Reviews
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Specifications
Performance
- Drive Type
- Direct Drive
- Wattage
- 4000W
- Peak Wattage
- 8000W
- Rated Voltage
- 48–96V
- Pole Pairs
- 16
- Max Torque
- 250.00Nm
- Max Speed
- 120km/h
Fitment
- Position
- Rear
- Dropout Width
- 150mm
Wheel
- Pre-laced
- Yes
- Wheel Size
- 17"
- Disc Brake
- Yes
- Rim Brake
- No
- Spoke Holes
- 36
Physical
- Weight
- 18.2 kg
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
| 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 |
Frequently Asked Questions
Alternative Hub Motors
QS Motor QS260 5000W V4 (17×3.5")
QS Motor QS205 50H V3 5000W 3.5T (17")QS Motor QS260 3000W V4 (17×3.5")QS Motor QS205 50H V3 3000W 4T (17")
NBPower 3000W 205-Class Moto Hub Motor 3.5T (17")
QS Motor QS273 8000W 50H V4 (17")
