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  1. J

    QS205 motor locking up with Sabvoton controller 200 a

    Hi there I wonder if anyone can help I’ve got a E Bike build with a QS205 5T Motor and 84 V battery a 200 a Sabvoton controller I can be going along at 20 mph and all of a sudden the motor just locks up it’s happened a few times now I can’t really seem to figure out why it’s happening the motor...
  2. J

    Sur-Ron on Ali baba

    I have seen the Sur-ron Bike on Ali Baba and have contacted the company they have said to me that the light be that they sell is a 100% genuine product from the factory they are like a middleman and you are buying from as close to the factory as possible without being a registered supplier does...
  3. J

    Sabvoton throttle speed progression isn't smooth

    Hi I have a Sabvoton controller set up for my E Bike it works great and it’s very fast the only problem I’m having is that the throttle isn’t very progressive it’s either very lightly on or it’s very heavily on there seems to be no speed progression it’s either all or nothing does anyone know...
  4. J

    Sabvoton Error 30H

    I’m getting error 30h on my sabvoton set up? Does anyone know what this is? It seems to come on after the wheel spins on the spot for a second (loose ground or wet) I’ve got a hub motor and it seems if I do a hall test it resets until the next spin, any one any clues? Sent from my iPhone...
  5. J

    Sabvoton controller set up

    Hi there I hope you can help I am building a ebike and am struggling with the set up I have a sabvoton controller 100a and a qs205 50h 5kw motor it’s all fitted together but I’m not sure on the programming on the controller I cannot get it to go over 40 mph!! Please help me I will attach some...
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