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  1. V

    Fitting different battery to Gtech citybike

    I think Jimmy would have problems doing a Gtech battery because everything is glued in. You can always ask him. I'd chuck the entire electrical system except the motor, and fit a normal controller, then you can use any battery you want and go up to 48v to get a lot more power and speed, plus a...
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    So whats the lightest ebike/ moped you can make ?

    Don't bikes have to be folding bikes to take them on the train?
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    Help! KTM E8 error

    Look at my post above, which tells you where to look for the source of your problem.
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    Legality of Battery voltage.

    It says "rated " voltage, not maximum or operating voltage. It's the same as the motor maximum"rated" power of 250w. when certified Haibikes draw three times as much...
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    Cyclotricity 1000W. Battery won't stay on.

    Your battery did really well to last that long unless you don't use it very much. Check the battery 2-pin connector on both sides for signs of burning. After that, check the solder joints on the back of those pins on the controller side, then anything else between there and where the wires go...
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    NCM PARIS MAX N8R

    I think the type of gears is insignificant compared with the type of motor and the effect it has on your ride. Even a front motor isn't so bad on a 20" wheeled folder.
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    Problem with PAS

    One of three things might be causing your problem: 1 (most likely) Wrong connection sequence. You have to test with a meter which of the three wires from your controller is ground and which is 5v. You have to use continuity to a known ground and a known 5v. The third wire is then the signal...
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    Brexit, for once some facts.

    I don't remember saying I see anything in her, nor do I support her. I only said it doesn't do any good to kick out people with a million followers. They have a new home that is growing fast. They take all their followers with them. In the end, we'll have nobody to debate. It'll be like a...
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    Problem with PAS

    Maybe it's time to tell us which type of PAS you have and show a photo of its installation instead of keeping us guessing.
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    Problem with PAS

    Does it work when you turn the pedals backwards? If so, flip the magnet disc.
  11. V

    Conversion kit.

    With a couple of exceptions, you can't have a quick release motor whether it's front or back. That brings me to the next advice: Fit a Schwalbe Marathon Plus tyre to the motor wheel, which will effectively be 100% puncture proof and they last forever, so you'll never need to take the wheel off...
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    Hill Starts

    They should have matching connectors, so just clip together.
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    Brexit, for once some facts.

    Katie Hopkins has only been on Parler for 24hrs. Already she has 38,000 followers and is getting 150k to 250k views per post. See what happens in the next 24 hours. The account I mentioned yesterday was fake, which was good fun while it lasted, but she found out and had it cancelled. the one...
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    Hill Starts

    You have the 4mph throttle, so you can use that to start up while you pedal. It should be instant. I think the red button switches it on and off to make it active, then you just twist it to start. The motor controller sits in the little compartment under the battery. If you unscrew the plate on...
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    Battery question - Pendleton Somerby

    When you use full power, the voltage drops, so it's normal to see the battery indicator do that. If the bike cuts out because of that, you can often get several more miles out of it by switching back on and using a lower power setting.
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    NCM PARIS MAX N8R

    It uses the Bafang Maxdrive system. I'd be surprised if they reversed the connectors on that one like they did on some other bikes, so spare parts would be readily available from anywhere. Personally, I thing the concept of that motor system on a bike like that is wrong. It looks like it has 45...
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    Hill Starts

    There are a lot of versions of that bike. Can you show us a complete picture of the handlebars from above?
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    Carrera Crossfire - Removing and replacing motor/system.

    You don't need to change the motor. It's good, powerful and go give a lot of speed. First upgrade is to replace the controller for a KT one with PAS and throttle. Get a 36v/48v one so that you have the option to change the battery to a 48v if you want more power and speed.
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    Help! KTM E8 error

    You get that error when the controller can't see one or more of the hall sensor signals. Typical reasons are: 1 Connection fault, like corroded or loose connector, or motor connector not fully pushed together. 2. Damaged motor cable, especially where it comes out of the axle. 3. Water in the...