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  1. C

    Bottle battery mounting

    I've been given a bottle battery by someone who no longer has the bike. I haven't got the mounting plate and although there are plenty of bottle battery mounts on ebay for example, they are different to this one. The battery has to be swung in from the side, so the top is a bit lopsided. It is...
  2. C

    Bottle battery cell count

    I've been given an 18650 36V bottle battery by someone who no longer has the bike. I've taken the casing off to check it and was surprised to see that there appear to be two empty spaces for cells, so was concerned someone might have removed the cells leading to an unbalanced battery.* There...
  3. C

    Torque Washers and Torque Arms

    I've got a mountain bike with aluminium front forks and a 250W motor. The motor shaft has a 4mm long, 12mm diameter step with 10mm flats for Bafang-style torque washers. However I have read elsewhere that on aluminium forks the washer can force apart the dropouts so I should use a torque arm...
  4. C

    "Momentum" badged "8FUN" controller

    I have a Momentum Electric Model-T Hall effect sensor brushless wheel and controller from a written-off electrice bicycle. The controller has 8Fun stamped on the back. I can see which are the cables for the motor and display and there are two paralleled plugs with red and black wires which I...
  5. C

    Dismantling Controller Housing

    I have a Verteci electric bicycle.It's not working and I'm confident that this is because of a controller fault. It's hidden away in a large metal tube inside the bottom bracket. It's not clear to me how this is dismantled and I'm reluctant to use any force on it until I'm sure. Is anyone...
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