e-Bike motor Bafang H400B (RM G020) - rear hub motor

Powerfull, quiet and reliable hub motor for e-bikes

The Bafang G020 (H400B) is a rear hub motor for electric bikes, offering a perfect balance of power, efficiency, and quiet operation.
With a rated power of 250 W and maximum torque up to 45 Nm, it’s ideal for city, trekking, and light mountain e-bikes using a 36V or 48V system.

The planetary gear system ensures smooth and efficient power delivery with low noise.
Its sealed, compact housing protects against weather conditions and requires minimal maintenance.

Technical Specifications:

• Model: Bafang G020 (H400B)
• Type: Rear hub motor (planetary)
• Voltage: 36 V
• Rated Power: 250w / 350w / 500w
• Max Torque: 45 Nm
• Position: Rear wheel
• Weight: approx. 3.3 kg
• Compatibility: 36V and 48V e-bike systems, rear drive

Key Advantages:

• Quiet and efficient operation
• Lightweight, compact design
• Smooth and stable power output
• Long lifespan with low maintenance

Reliable rear hub motor combining performance, efficiency, and durability for daily e-bike use.

Each motor can be built into a custom wheel

We can assemble any motor into a wheel using custom-made spokes produced on our precision machine and a rim that fits your bike perfectly.
This way, you get a professionally built, ready-to-install wheel tailored to your setup.