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  1. V

    Power issues with Voilamart kit

    You should always buy a KT controller with a matching LCD because there can be some software differences, which can cause surprises after you install. I'm guessing that your motor is a direct drive one. Please confirm. They're very power hungry, so a 17A controller would be running at its...
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    My First Electric Kit Conversion 250W

    There are plenty of people on this forum that would take them from you for the cost of postage. Which exact motors are they? Can you show some photos if you're not sure which ones they are?
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    Rear light staying on

    The lights are switched by a transistor inside the LCD. If you overload it, like any short in the lighting circuit or if you fit a light that's too powerful for it, it blows and stays on. Was or is there a problem with the front light?
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    Help! Freego Hawk motor runs whilst on stand with power switch on

    It's more tricky with your version. Freego used at least 3 different systems over the years to connect the LCD. With your one, you'd have to make the bridge inside the controller or inside the control panel unless you want to open the cable between the LCD and the junction box. Don't bridge any...
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    My First Electric Kit Conversion 250W

    Don't listen to this guy. He has no idea of the type of hub-motor systems we use. Most of his advice is completely bogus. Go to Halfords and look at all the bikes with hub-motors. I'll give you £1 for every torque arm you can count that's on any of their bikes.
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    My First Electric Kit Conversion 250W

    Completely false. Bafang used to test their geared motors to 30,000km. That was before they improved the material that the gears are made of. Even before that, many of the failed gears were in motors full of rust. 12 years ago, rusty motors and motors with failed hall sensors due to water...
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    calibre kinetic

    It's difficult to find any details, but a battery datasheet mentions UART comms, and, apart from the motors, their electrical stuff isn't common. I'd recommend getting a bike with standard Chinese electrics and no comms in the battery rather than one of those bikes. If it goes wrong, you'll come...
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    Help! Lishui controller and LCD vs KT controller and LCD

    You can turn up the power if you want. That causes more to come from the battery and less from the rider. If both are kept on level 5, they both give the same power. It's only when you turn down the power that the difference shows.
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    Power issues with Voilamart kit

    You should have asked when you first noticed the shortcomings of your original installation. You have the wrong type of controller. What you need is a KT controller. They give true power control, while as yours uses speed control, so you get full power in all levels, each with a different speed...
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    Help! Lishui controller and LCD vs KT controller and LCD

    In the end it makes no difference. You have energy in the battery that you can convert into motive energy to help you with your ride. If two riders of equal weight on equal bikes apart from one had the controller set to speed control and the other to current control, then they completed the same...
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    Yose 350 rear hub kit - transplanted onto Scott !

    That's interesting. have you actually experienced it switching voltage during a ride? Mine is 36v/48v and I recently ran the battery to cut-out on a steep hill, and it cut out about three times altogether, as I gradually had tom turn down the power to get home. It didn't switch to 36v.
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    My First Electric Kit Conversion 250W

    Hub motors don't have a voltage as such. The voltage stamped on them is only so that they can state the speed. The motor constant (Kv) is the significant characteristic. A 260 rpm 36v motor with a Kv of 7.22 would be identical in all respects to a 48v 338 rpm one. In other words, you can run a...
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    My First Electric Kit Conversion 250W

    You clearly have very little or no experience of the sort of hub-motor systems we use. Just about everything you said about hub-motors there is untrue. There's no way in the world that your 350w crank motor can match the climbing power of a 500w Bafang BPM running at 48v and 25 amps. I doubt...
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    Integrated controllers in hub motors...

    Avoid any hub-motor with an integrated controller. I've never heard of a reliable one yet.
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    Carrera Crossraods ebike motor hub problem

    The two main problems are the torque sensor and motor connector. It could be either. Before looking at those, make sure that the LCD connections are clean.
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    Brake query

    Oxygens normally have one or two brakes with a switch. Look again for the wire coming out of the lever.
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    My First Electric Kit Conversion 250W

    Usually aluminium. I don't think I've ever seen a steel one, except relics from the past. 250w doesn't mean anything. A 250w hub-motor easily gives enough power if you run it at 48v and 17 amps. I guess that the deliveroo riders on Reddit know very little about how ebikes work.
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    Vintage rides

    The old Chinese bikes have really crappy controllers. They work, but it's not the best riding experience. Motors haven't changed much and modern batteries give more power and have more capacity than the old ones.
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    Help! Freego Hawk motor runs whilst on stand with power switch on

    There's a connector in that pod on the front where the cable goes one into 4. Stick a paperclip up the back of it. I thought it has female pins, so you can disconnect it and stick the paper clip in the front.
  20. V

    Bosch Power pack 400 on a KT equipped bike?

    There's too much choice now. LG cells came out best for life in tests.