This SS01 shift sensor is a must-have upgrade for BAFANG mid drive electric bikes, compatible with BBS01B, BBS02B and BBBSHD series mid motors. It automatically cuts off motor power temporarily during gear shifting, delivering smoother riding experience while effectively protecting your bike chain and transmission system from heavy wear and impact damage.
When you shift gears on your e-bike, this gear sensor instantly disconnects motor output to eliminate chain strain. No more harsh gear clashing, less chain stretch, extend the service life of your drivetrain, and make uphill & variable-speed riding far more stable.
Wide Compatibility
- Direct plug-and-play for BAFANG BBS01B / BBS02B / BBBSHD mid motors with built-in 3PIN female gear sensor port.
- For other e-bike mid motors without dedicated gear port: Match with Brake 1T2 splitter cable and E-Bus 1T4 cable to split out a 3PIN port for easy connection.
- Simple installation: Thread your bike shift cable through the sensor hole to complete induction setup.


Premium Waterproof Construction

Product Specs
- Model: SS01 Shift Sensor
- Interface: Standard 3 Pin waterproof connector
- Total cable length: 41.5cm / 16.33 inch
- Connector to sensor box length: 33.5cm / 13.18 inch
- Material: Wear-resistant flexible rubber cable, durable ABS sensor housing
- Fit: BAFANG BBS series mid drive e-bike motors

Easy Wiring Reference
- Connect the 3PIN plug of shift sensor to the splitter cable port
- Link splitter cable with brake lever and main E-Bus 1T4 harness
- Plug the main E-Bus cable into your BAFANG mid motor, ready to use



















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