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Gear Shift Sensor Bafang BBS -
Suitable for use with the Bafang BBS01B, BBS02B and BBSHD mid drive motor kits.
The gear shift sensor will automatically cut motor power for a brief period when changing gears, which will allow for a smooth gear change.
Bafang now supply the BBS mid drive kits with a dedicated gear sensor connector coming from the motor controller, so the gear sensor can be mounted near to the derailleur.
If fitting the gear sensor to an older Bafang BBS motor kit which doesn't have the gear sensor connector, then a brake cuttoff connector on the wiring harness can be used.
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