BAFANG BBS01 Mid Drive Motor Kit (36V / 48V)

The BAFANG BBS01 is a smooth, reliable mid-drive motor perfect for urban commuting and everyday riding. With multiple power options (250W / 350W / 500W), this system gives you the flexibility to build a legal e-bike for road use or add more torque for climbing and off-road routes.

✅ Key Features

• Available in 250W, 350W, or 500W

• Voltage: 36V / 48V

• Max speed: 25–35 km/h

• Max torque: 80–100Nm

• Gear drive mid-motor with smooth acceleration

• Compatible with 68mm bottom bracket

• Quiet ride: < 55dB noise level

• Water-resistant (IP65) for all-weather riding

• Includes speed sensor, e-brake support & gear sensor function

• LCD display and thumb throttle included (depending on configuration)

📦 What’s in the box

• BAFANG BBS01 mid-drive motor

• Chainring and crank arms

• Speed sensor

• Wiring harness

• Thumb throttle

• LCD Display

• Mounting hardware

• Optional battery (if bundled)

⚙️ Technical Specs

• Motor Type: Brush gear hub motor

• Power Options: 250W / 350W / 500W

• Voltage: 36V or 48V

• No-load RPM: 83–126

• Rated RPM: 78–118

• Max Torque: 80–100Nm

• Reduction Ratio: 1:21.9

• Efficiency: ≥ 80%

• Magnet Poles: 16

• BB Size: 68mm

• Shaft: JIS

• Operating Temp: -20°C to 45°C

• Salt spray tested: 96h durability

• CE / EN 14764 / RoHS certified

✅ Why Choose This Kit?

Whether you’re building a street-legal commuter e-bike or want a stealthy, lightweight mid-drive kit with solid power, the BBS01 delivers. It’s quiet, efficient, and highly adaptable for most frame types.