1500W 48V Brushless Gearless Rear Hub Motor 55Nm 20–28in 135mm 36H
1500W Brushless Gearless Rear Hub Motor — Rear Wheel E‑Bike Replacement (20–28in, 48V)
Convert a conventional bike into an electric‑assist ride with a quiet, low‑maintenance rear hub motor. Designed for smooth power delivery, corrosion resistance, and common freewheel setups. ⚡
Key Features
- Brushless & gearless: Lower friction and reduced maintenance for longer service life. 😊
- High power & torque: Rated 1500 W with max torque 55 N·m for strong acceleration.
- Quiet operation: Noise level under 55 dB for a more pleasant ride.
- Durable build: Aluminum housing, iron hub, copper windings and magnetic steel; passed salt fog test.
- Compatibility: Fits 20–28 in (50–71 cm) bikes; suitable for many mountain bike modifications (not for snow bikes).
- Practical fitment: 135 mm ALEX open size and 36‑hole hub for common wheel builds.
This rear hub delivers efficient power with reduced internal friction and heat thanks to its brushless, gearless design. Three Hall sensors improve throttle response, and the motor supports common 5/6/7‑speed freewheel setups. 🚵♀️
Specifications
| Material | Aluminum + Iron + Copper + Magnetic Steel |
| Color | Black |
| Motor Type | Brushless gearless hub motor (rear) |
| Rated Power | 1500 W |
| Nominal Voltage | 48 V |
| Position | Rear motor |
| RPM | 500 rpm |
| Max Torque | 55 N·m |
| Efficiency | 85% |
| ALEX Open Size | 135 mm / 5.31 in |
| Brake Type | Disc brake |
| Noise | <55 dB |
| Drive & Freewheel | 5 / 6 / 7-speed compatible |
| Cable Location | Shaft side, left |
| Hub Holes | 36 holes |
| Salt Fog Test | 24/96 |
| Hall Sensor | 3 |
| Packing Size | 25 × 28 × 29 in / 9.84 × 11 × 11.41 in |
| Applicable Model Sizes | 50–71 cm / 20–28 in |
| Gross Weight | 7 kg / 15.43 lbs |
Package Included
- 1 × Rear Wheel Motor
Usage Tips
- Check fitment: Confirm axle spacing (135 mm) and wheel diameter (20–28 in) before installation. 🔩
- Power system: Use with a compatible 48V controller and battery rated for the motor’s power.
- Cable routing: Route the cable on the left shaft side to avoid strain.
- Freewheel & brakes: Verify 5/6/7-speed freewheel compatibility and fit a matching disc rotor to your caliper.
Care & Maintenance
- Inspect electrical connections and mounting bolts after the first 50 miles and periodically thereafter.
- Keep the motor clean and dry; rinse lightly but avoid high‑pressure washing into seals. 💧
- No brush replacement required; service focuses on bearings, axle nuts, and connectors.
Important Notes
- Important: Please check size, model, and compatibility before purchase.
- Allow slight color variation due to photography and 1–3 cm measurement tolerance from manual measuring.
- Not intended for snow bikes.
For post‑sale support, contact the seller with order details and photos of any issues. Response and resolution are handled by the seller.
Ready to upgrade your bike? Add this 48V, 1500W brushless gearless rear hub motor to your cart and power your next ride! 🚴♀️
We accept ebay payment 。
Fees such as import duties, taxes are not included in the item price or shipping costs. These charges are the buyer's responsibility.
Shipping:
2-9 working days to: USA
- We maintain high standards of excellence and strive for hundred percent customer satisfaction. Feedback is very important to us. We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns. It is impossible to address issues if we do not know about them!
Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects.
a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package.
b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item.
c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid.
Thank you.
Business Hour
Business Hour: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
