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  1. b.strat

    Bafang BBS02 B Motor One way bearing problem ?

    Hi there, I've been riding a bafang BBS 02B for 3 years and now 6000 kms. Yesterday, I had a motor transmission fault. let me explain : When I pedal without assistance, no problem. As soon as I activate the assistance and the motor tries to “catch up” with the rotation of the crankset, 1 time...
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