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My guess is that the controller needs setting up, as the top speed should be legally 25 KMH, or around 15 MPH. Die you maybe read KMH for MPH? If yes, your bike is legal!! This video might help:- Or this KT Manual:-...

Luckily for us all, only an adapter is needed, as the mains in Europe is otherwise the same as ours. Even for people going to the USA with their bikes (most unlikely!), most of the chargers accept 110-240 VAC at 50 and 60Hz. You should examine the charger label to make certain.....but at least...

Such high torque is to my mind MOST unlikely (Impossible?). Furthermore, the higher the torque on a bike motor,the more likely is that the fixed (to the rear forks) part of the motor, will turn and rip out all the electrical connections, leaving you with at best a costly repair, or even the need...

You are very wrong about cars, each model of engine and body has its own most efficient point on the speed scale. It is not a fixed speed for all cars as you seem to imagine..... With electric bikes, as they don't have inefficient IC engines, they are almost the same efficiency for any speed...

You have definitely got Scottish blood!! And so have I..... You are stuck with it for life...... Just enjoy the FREEdom!! Andy

The LH pedal has a Left hand thread. That is the opposite to a normal screw. The RH pedal has a normal RH thread, "Righty tighty". They should not require any unusual force to screw in, provided you have the correct pedal in the correct hole and you have not caused damage already. Do not over...

Li-ion batteries are not allowed to charge once below a certain minimum voltage level! There is only one way to recover it (as far as I am aware), that is to find a bike shop with a "Zero Volt Charger", for the battery voltage you have. I only know of one company who actually sells them ($100 +...

.....and the distance you can cover on a charge will be increased as well. A win win situation... regards Andy

Do you mean on its own its not working well? In principle, the front brake is the most important, and the most powerful brake on a bike. The rear brake is there to add some steadying braking, but to never cause the rear to lock up or skid..... If your wife is ONLY using the rear, that would be...

Posting a few clear pictures may help others to help you further! Mine is/was very simple to do, but if you have the motor in the rear wheel assembly, you have to know both the correct method for disassembly and even more important the final assembly must be very tight, as if you get that wrong...

How sad. Maybe a red or yellow line might have been more effective? I personally prefer red myself. On my bike I have that special extra, the reflector on an arm, out to the side...

No Problem. The (few) controllers that I have seen, they have a setting for the maximum current that may be drawn, this is partly to make sure that the batteries are not "aged" too quickly by supplying too much current. Finding the Manual can be a problem, maybe someone here has the same...

Maybe your controller is setup slightly wrongly for a current that eventually above the fuse rating. If true, reduce the current setting. I am assuming that you have the infos on controller setting up. Remember, as battery voltage drops, current will increase, so as to get the same amount of...

The problem is usually the spring on the gear change arm, that "takes up the slack". It needs to be adjusted to make it stronger.....to keep more tension on the chain when using the smallest sprocket. As you did not put a photo here, I am unable to tell you exactly how yours is adjusted.....but...

They are available very cheaply on ebay for example:- https://www.ebay.de/itm/36V-37V-16A-10S-BMS-PCB-PCM-Li-ion-LIPO-Lithium-Battery-Power-Protection-Board/173526520924?hash=item2866fc945c:g:X5cAAOSwSflbllJ1...

I have heard of similar problems on Chinese manufactured e-bikes, as apparently,the colour of the wires is largely unimportant to them....sadly for you and others..... In light of what you have been told, have you traced the wires back to see where thy are connected, just in case? Was the unit...

Great Video!! Andy

There are several different types nowadays, an answer that fits all is not possible to my mind. Check this link below to identify your model and/or make a clear photo for us all. Headset adjustment is actually quite easy to do.....and many websites detail it better than I can!! Most today need...

Not really any reason, there might be a really tiny saving on Battery power IF you usually pedal while going downhill. Some new & expensive bikes apparently use hills to recover energy and pass it back to the battery, though I myself have no experience of such a bike. Generally speaking, as...

This is a apparently a "spoke magnet" that certain types of bike computers need to calculate speed and distance covered. I do not know if they need to be a north or a south pole facing the frame sensor, sadly, it never ever crossed my mind to check. But with a small third magnet, it would be...