Description
BAFANG Mid‑Drive Motor Conversion Kits – 250W – 1000W Power Options
Upgrade any mountain or road bike into a high‑performance e‑bike with the BAFANG BBS02B / BBS01B mid‑drive motor kits. Available in 250W, 500W, 750W, and 1000W configurations and compatible with 48 V or 52 V battery systems, these kits deliver smooth, silent power for every riding style.
Key Highlights
- Versatile Power Range: Choose from 250W, 500W, 750W, or 1000W to match your terrain and speed preferences.
- Mid‑Drive Efficiency: Directly drives the bike’s chain for optimal torque, hill‑climbing ability, and balanced weight distribution.
- 48 V & 52 V Compatibility: Works seamlessly with most lithium‑ion battery packs on the market.
- Robust Construction: Hardened aluminum housing, sealed bearings, and a water‑resistant motor case for durability in all weather conditions.
- Easy Installation: Complete kit includes motor, bottom bracket, chainring, display, throttle, and wiring – no welding required.
- Quiet Operation: Brushless motor design reduces noise while delivering high torque.
- Future‑Proof: Supports BAFANG’s latest firmware updates and optional pedal‑assist sensors.
Why Choose BAFANG?
BAFANG is the industry leader in e‑bike drivetrain technology. Their mid‑drive systems are engineered for reliability, efficiency, and rider comfort, making them the go‑to choice for DIY conversions and professional builds alike.
Technical Specifications
- Motor Models: BBS02B (500W‑1000W) & BBS01B (250W‑500W)
- Voltage: 48 V or 52 V
- Maximum Power Output: 250 W / 500 W / 750 W / 1000 W
- Maximum Torque: 80 Nm (1000W) – 45 Nm (250W)
- Weight: 3.8 kg (1000W) – 2.5 kg (250W)
- Display Options: LCD or LED, optional Bluetooth connectivity
- Included Accessories: Bottom bracket, chainring, front & rear brake levers (optional), throttle, wiring harness, user manual.
Compatibility
Designed for standard 73 mm or 83 mm bottom brackets, the BAFANG kits fit most modern mountain bikes, road bikes, and hybrid frames. Verify your bike’s bottom‑bracket size and chainline before purchase.
Installation Overview
1. Remove the existing crankset and bottom bracket.
2. Install the BAFANG motor and bottom bracket using the supplied torque wrench.
3. Attach the BAFANG chainring and connect the wiring harness.
4. Mount the display, throttle, and optional pedal‑assist sensor.
5. Pair with your 48 V/52 V battery and calibrate via the BAFANG app.
Upgrade Your Ride Today
Whether you’re tackling steep mountain trails or commuting on city streets, the BAFANG mid‑drive conversion kit gives you the power, range, and reliability you need. Add to cart now and transform your bike into a premium electric machine.






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