QS Motor QS205 5000W 50H V3 Fat 20×4 (4T, 170mm)
Genuine QS Motor QS205 50H V3 direct-drive hub motor, 5000W rated / 10000W peak, pre-laced into a 20×4 fat/snow-bike rim (170mm dropout, 80mm rim width default). 205mm stator, 50mm magnet stack, 16 pole pairs, 48–96V (72V design), IP65, disc brake, dual hall sensors with KTY83 temp probe. 4T winding.
In brief: 5000W direct drive rear hub motor. 20x4" wheel. Fits 170.0mm dropout. Disc brake compatible. From $412 across 4 sellers.
Specs verified Jul 17, 2026
Where to Find
Prices tracked across 4 sellersAliExpress - NBP Electric Store
$412.31 + $141.76 shipping
AliExpress - NB Ebike Factory Store
$590.00 + free shipping
eBay - NBPOWER EBIKES
$599.00 + free shipping
AliExpress - ND Ebike Factory Store
$465.30 + $154.35 shipping
* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Current best price $412.31. Over the past 90 days: low $412.31, high $599.00, average $582.03 — down 29% vs average.
- AliExpress - NBP Electric Store
- eBay - NBPOWER EBIKES
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - NBP Electric Store(1 record) | |||||||||
| Jun 21, 202608:57 PM | $412.31 | $141.76 | $554.07 | Initial | — | — | — | Yes | active |
eBay - NBPOWER EBIKES(8 records) | |||||||||
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202603:37 AM | $599.00 | $0.00 | $599.00 | Initial | — | — | — | Yes | active |
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Specifications
Performance
- Drive Type
- Direct Drive
- Wattage
- 5000W
- Peak Wattage
- 10000W
- Rated RPM
- 770
- Pole Pairs
- 16
- Stator Diameter
- 205mm
- Max Torque
- 200.00Nm
Fitment
- Position
- Rear
- Dropout Width
- 170mm
Wheel
- Pre-laced
- Yes
- Wheel Size
- 20" x 4" (Fat)
- Disc Brake
- Yes
- Rim Brake
- No
- Spoke Holes
- 36
- Freehub Type
- Threaded (Screw-on Freewheel)
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 |
