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The Wisper full throttle ebikes make use of the 250W LPM moped legislation and what would be a realistic and allowed maximum controller current for such ebikes? Does it follow the same rules as the EU ebike certification in that a motor can be rated as 250W despite the controller feeding it up...

I was looking at simple KT LED displays and it seems to change parameters you have to use a KT LCD display and parameter transfer cable which connects both displays with a little cable going off to insert the necessary power. Anyone have experience of these. Are there easier and better solutions...

Just thought I'd raise the issue that prices are going to increase massively so for stock currently landed in the UK and being sold through by supplier's it could be a bargain compared to prices to come soon. If you want anything already imported into the UK then now is the time to buy. Whether...

Saw this on Amazon and thought a great price for what you are getting. However I can't vouch for quality or ease of wiring into your ebike. There is some wiring info on the page but suspect you may have to search to get better information or do some basic multimeter tests. So you have three...

What does the Speed Signal connector do? I've got a controller to use with my Bafang motor that has just arrived. The one connector I don't understand is the Speed Signal connector which I first thought maybe a throttle connection as it looks the same but the 3 cables are red, white and black...

I've had a google out of curiosity but there is very little information about this hub motor out there, no pinouts, no information on who manufactured it, no details on what sort of controller. There is some information regarding the battery pack being engineered by Williams in the UK but no...

I've noticed some people have used these lower capacity battery packs for ebikes but curious how charging works on them when there is only discharge connections and no separate charging cable as far as I can tell. Does this mean they automatically have some sort of charging protection on these...

Depending on your viewpoint this is either good or bad. Seems an awful waste but I guess no obvious way of re-using them but I would of thought there would be some useful spares there for legal ebikes. No way to fit legal motors to them?

I believe I'm right in writing there is a 10% tolerance for this speed so the real maximum top speed is about 17-17.5mph but this is the absolute top legal limit. It allows for different tyre sizes that would mean different assist speeds. I'm just curious how is the 15.5mph limit set is it the...

I notice many lower cost ebikes are using more basic Chinese cells and people are reviewing such bikes quite positively. Are there now recognised Chinese brands that do a decent basic cell? If not 18650 perhaps 21700? We aren't talking high end performance here just a good quality reliable cell...

Just looking for anyone who recognises it. It came with a generic manual and nothing really that gives any spec for the hub itself. It has a fairly standard KT36 controller with a 11A rating and seems nicely made. Just wondered if anyone knew/recognised the factory for the hub motor or full spec...

Just wondered what is the maximum ever range achieved by an ebike using the power sparingly? Perhaps using regen on a direct drive motor or riding unassisted except for the steeper hills. What is a comfortable maximum range just using the motor to tame the hills? I googled for a answer but...

Saw this and must admit I bought the last front wheel conversion kit. At first I thought it was a scam but then realised the kit is non legal, it appears to be throttle control only. So wondered if that was the reason for clearing out cheap. At the time of posting there is still two rear wheel...

I won a display in a auction on ebay just paid for it and unsure if they will actually send it as quite a bit below their normal price and many Chinese supplier's will not honour such auctions. Here it is; Was it expecting it to be shrunk down a bit, sorry about that but at least the image...

Just curious on the views on this. I think I read somewhere around 6-10W power depending on hub motor but I can't seem to see that information now. I wonder if there is some formula for working this out. I think its Grin technology who state that a combination of injecting such current plus...

On direct drive hub motors, even entry level models do they have regen when going down hill with the electric circuit live but the motor not being operated if not where does the power generated go? If you lived at the top of a long steep hill and your destination was at the bottom of the hill...

Apologies if there is already a thread about these but just wondered if anyone has any experience of these very cheap kits. I'm not planning to buy one but just curious about them. You have two single speed freewheels attached to the same wheel, one rotated by the cyclist and another by the...