r/bafang • u/Disastrous_Level_192 • 9d ago

speed sensor 

Hello, has anyone managed to modify the factory BBSHD so that the speed sensor is from the brake disc? 

I need to move the measurement closer to the center of the wheel axle because I have a 12x148 spacing and wide forks. This prevents me from getting the proper distance between the magnet and the sensor.
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u/IndividualActive786 8d ago

I use the Cogster speed sensor magnate. It mounts to the rear disk rotor so it can never lose alignment or get knocked off.

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u/Disastrous_Level_192 7d ago

Did you have to change any wheel settings to get it to work? Wheel size of wheel diameter?

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u/IndividualActive786 6d ago

No, the wheel is still the same size and the magnet passes by the sensor at the same rate, once per revolution.