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  1. J

    Voilamart hub motor - intermittent fault - whining noise, loss of torque and shuddering at low speeds [hall sensor?]

    The fault seems to have developed a bit.... Every now and then when I push the throttle down there's a huge amount of resistance and clicking. Like you've all said I think the phase wires must be to blame somewhere. Have wiggled the wires going into the axle of the hub motor which sometimes...
  2. J

    Voilamart hub motor - intermittent fault - whining noise, loss of torque and shuddering at low speeds [hall sensor?]

    As a solution I've been considering buy a sine wave controller to replace the current 25a controller, not sure if any potentially cheaper solutions exist or if it's even really worth getting a sine wave controller in place of a standard one. TIA, J
  3. J

    Voilamart hub motor - intermittent fault - whining noise, loss of torque and shuddering at low speeds [hall sensor?]

    Hi All, I converted my first ebike around a year ago using a cheap eBay hub motor. This has worked reasonably well for 1000+ miles but is now starting to develop a fault. It is an intermittent fault that seems to happen randomly between putting the bike down and picking it back up...
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