Bafang RM G041 48V 500W Rear Hub
The Bafang RM G041 is a brushless geared rear hub motor designed for standard 26"–700C e-bike conversions. It delivers 500W rated power at 48V with a maximum torque of 50 Nm via a 1:5.83 reduction ratio, and supports disc brakes with a Shimano HG cassette freehub on 135–142mm dropouts. Rated IPX6 for weather resistance.
In brief: 500W geared rear hub motor. 26" wheel. Fits 135.0–142.0mm dropout. 48V rated. Disc brake compatible. From $184.
Specs verified Jun 26, 2026
Where to Find
Prices tracked across 2 sellersAliExpress - Good Quality Charger Stores Store
$184.30 + $74.76 shipping
RisunMotor
Check seller for price* Shipping estimates are for the contiguous US and may vary by location.
Price History
Current best price $184.30. Over the past 90 days: low $181.86, high $184.30, average $183.28 — up 1% vs average.
- AliExpress - Good Quality Charger Stores Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - Good Quality Charger Stores Store(21 records) | |||||||||
| Jun 18, 202603:41 AM | $184.30 | $74.76 | $259.06 | $0.50 | — | — | — | Yes | active |
| May 29, 202610:33 AM | $183.80 | — | $183.80 | $0.50 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 27, 202607:51 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 25, 202601:55 PM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 23, 202610:17 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 22, 202609:02 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 21, 202609:07 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 19, 202609:09 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 18, 202609:08 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 16, 202609:07 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 15, 202609:01 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 14, 202609:07 AM | $184.30 | — | $184.30 | $0.00 | — | — | — | Yes | active |
| May 12, 202609:07 AM | $184.30 | — | $184.30 | $2.44 | — | — | — | Yes | active |
| May 1, 202608:46 AM | $181.86 | — | $181.86 | $0.00 | — | — | — | Yes | active |
| Apr 29, 202608:43 AM | $181.86 | — | $181.86 | $0.50 | — | — | — | Yes | active |
| Apr 23, 202609:00 AM | $182.36 | — | $182.36 | $0.00 | — | — | — | Yes | active |
| Apr 22, 202609:03 AM | $182.36 | — | $182.36 | $0.00 | — | — | — | Yes | active |
| Apr 20, 202609:03 AM | $182.36 | — | $182.36 | $0.00 | — | — | — | Yes | active |
| Apr 18, 202609:03 AM | $182.36 | — | $182.36 | Initial | — | — | — | Yes | active |
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Specifications
Performance
- Drive Type
- Geared
- Wattage
- 500W
- Rated Voltage
- 48V
- Rated RPM
- 320
- Pole Pairs
- 10
- Max Torque
- 50.00Nm
Fitment
- Position
- Rear
- Dropout Width
- 135mm – 142mm
Wheel
- Pre-laced
- No
- Wheel Size
- 26"
- Disc Brake
- Yes
- Rim Brake
- No
- Spoke Holes
- 36
- Freehub Type
- Shimano HG (Hyperglide)
Physical
- Weight
- 4.24 kg
- IP Rating
- IPX6
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 | Black | Ground |
| 3 | Yellow | Hall A |
| 4 | Green | Hall B |
| 5 | Blue | Hall C |
