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Agreed, John, If the Tongxin didn't happen to be miles better than any other motor (hub or crank drive) that I have come across, then I would not have perservered through so many controller issues. The problem with the Tongxin is that once you have experienced it, nothing else will do!

I fear I have actually blown another tongxin controller today on a trial run for the Ching Challenge. That was with the 175 rpm motor in 700c wheel, on flat roads (central London) and without extended periods of full throttle. I think my problem is that I have had the controller mounted...

Yes - Tongxin's recommended speeds are as per Flecc's post, quoting from me, quoting from their product literature. But most people overgear them as you describe to get a bit more speed!

Andy, I pasted a link to a thread with his email in half a dozen messages up! Don't know if he is selling the motors - he may be, but what I said he did sell (and which I bought from him) is an alternative to Tongxin's own controller which has some more robust components in and which...

My explanation is that the French are more into cycle racing rather than utility cycling, hence less of a fit with electrics. The other surprise is Belgium. Considering how common electric bikes are in the Netherlands, I was surprised not to see a single one on a three day trip to Flanders...

Of course - as we all know - the main reason why so many people cycle on the pavements now when there is a perfectly safe road available is not due to traffic or perceived danger but because so many cycle paths have been created on pavements, or been designed to look like pavements...

Makes sense - certainly better than someone standing and shivering! My phone doesn't have a camera but I can pack one if needed.

Here you go Frank

I could bring one but wasn't planning to! On the basis that one of the things which makes cycling less enjoyable is additional stops with loss of momentum, I'd suggest it wouldn't enhance the experience to have to stop to take lots of pictures! Frank

The other thing that I re-stumbled across earlier today is John Franklin's work on the relative safety of cycle paths in general and the Milton Keynes Redways in particular, and roads - here, here and here. If you don't have time to read the links, the conclusion of his research is that roads...

What it should mean is that you will start seeing more other people riding them - which will be to your benefit as the form of transport becomes more mainstream and things will start to be designed more around electric bikes and the needs of their riders. Well done David and others for...

Well put Bob - riding on my kit bike which can do 20+ mph convinced me that they are not a good idea. People react in a very different way to an e-biker going at 20 mph, looking very comfortable and not expending lots of effort, and a fast cyclist who looks like he is pedalling hard. Cars...

No, that one is for motors with Hall sensors. I don't think the sensorless ones are on eBay but if you send Keywin an email, asking about a sensorless controller for a Tongxin motor, he will know what you need. I got two from him a few months ago. Can't remember exactly what they cost...

I think it's a non-argument. By far the most important point to make is that cycling on roads or cycle paths is a safe thing to do, regardless of whether or not you wear a helmet, water wings or any other form of physical or psychological protection. Given that, chose the most convenient...

It could be wiring and it is therefore worth checking the connections first, but I suspect it will be the controller. I normally do as you describe - back the throttle off to about half power when the bike is going up steep hills. With the spring removed I do find it much easier to keep...

Sounds like you went to a good bike shop! The only observation I'd make is that your sprocket might have lasted longer if you'd changed your chain sooner. A worn chain tends to cause cassette damage!

99% sure it will be the controller. My experience is that they can overheat during extended periods at full throttle or if they don't get full airflow. One of mine behaved as you describe, blowing a fuse when connected. Change it and I'd expect the bike to work Good luck! Frank

I agree with you that the right electric bike can be a very useful mobility aid for some but not all disabled people. I believe that no-one has so far applied to have an electric bike approved as one, therefore, until such an approval is requested and granted, everyone will have to wait until...

Sounds great, Nick I'm really looking forward to it! Frank

Sorry, by off topic I didn't mean to suggest you shouldn't discuss it, just that, from a quick look, I felt it was more of a scooter than a bike. However, people have interesting things to say about the whole range of electric vehicles and I recall threads on the Vectris and Toyota Prius to...