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  1. J

    Squeaky / Noisy rear hub/freewheel/cassette?

    Hi, I’ve just converted my 2018 Specialized hybrid bike (with hydraulic brakes) to a Bafang BBSHD. First couple of rides have gone really well but when pushing really hard between 1000-1500w I do get some weird noise, best described as a bit squeaky that appears to be coming from the rear...
  2. J

    Bafang BBSHD Over Voltage Protection issue on 52v

    Hi, Just finished installing my BBSHD kit with 52v 17.5ah battery. First ride went very well as the battery came around 80% charged. I then charged the battery to 100% / 58.8v and the colour screen instantly shows the error: Error Code:07 High Voltage Protection I had to plug in my phone and...
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