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  1. J

    Help! tongsheng tsdz2 250w 36volt - terrible noises after 450Km

    Newbie here so please be gentle .... Converted my very standard road bike with the TSDZ2 and battery from pswpower around 6 weeks ago and delighted with the results. But has got progressively noisier until now it is an embarrasment to ride... The noise is only present when the motor is giving...