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The display dropping from 4-5 to 0 seems to indicate a momentary loss of current connection though. The LCD might not go right off with a very short loss or reduction of connection but the drop in current could make the motor drive briefly snatch. I've had one bike which suffered the contact...

Try plugging into the mains last/switching on mains last, that will avoid any arcing at thr batery contact interface. I've never found that causes any harm on any e-bike batteries I've used. One of the most common causes of this is momentary loss of battery contact when the bike is jolting...

Gabor, I'm sorry to have to advise that the prospects for electrifying your new bike at a low cost are very slight. A rear hub motor kit isn't suitable since it loses both your three speed hub gear and coaster brake, and the full chaincase is another complication. Again the full chaincase...

Their opinion that a full acting throttle means a bike is an L1e-B moped does I think kill any chance of us getting any external help on this issue. It also calls into question L1e-A which was supposed to replace the Low Powered Moped Class which did allow full throttles. Basically they are...

Perhaps best to invoice the bike separately, with the kit and fitting charge separately? However, some e-bike dealers have been supplying complete e-bikes based on kits without any problems. After Tony Castles and A to B launched the Nano-Brompton, I think the Electric Bike Shop was the dealer...

Although the BPM motor in the Big Bear is a much more able hill climber than a run of the mill model Bafang motor, it will still suffer the usual single geared hub motor problem. Basically that the optimum speed for maximum climb ability is roughly half the maximum assist speed, so about 8mph*...

We already have some bespoke bike builders and frame makers in Britain who've have successful small businesses running for years, catering for those who want something different and special. They don't make fortunes and are effectively always working at shop floor level, so they have to be the...

I just stick to the same make and starting with buying two chains, just keep the leftover and use it at each new chain time. But the correct longer chains can be bought from some of the e-bike companies. It's usually the bikes witn rear of seatpost batteries that need them, due to their longer...

Please no, knowing soaps it would be all about accidents with terrible outcomes and far too much emotion. However we have had "Call the Midwife" on BBC 1 which I'm told did feature cycling. .

To me e-bike implies full time assist or something near to it. These are more occasional assist and far easier to ride unpowered than the vast majority of e-bikes. For those reasons I don't think of them as e-bikes and I don't compare them to regular e-bikes. They are a different animal, road...

I think this concept has too small a sales volume to be competitive on price. Fortunately there are enough who don't care about the cost. .

I agree Dave, for sales volume the Karoo has got it right, hence my saying there have been many earlier Karoos, so obviously a successful setup. .

That's good then. Just charge every other month now and that will top up the bit that the BMS has used meanwhile, and keep the battery cells balanced and in good working condition. .

Great post Tom, good to hear from a Cytronex rider on their many advantages and road bike characteristics. I suspect we won't convert many though, prejudice based on what another is used to is difficult to overcome, and the same prejudices exist to argue against single speed and fixies. .

Not so, for much of cycling's history bikes had no gears and when they were first introduced they were only narrow range three speed hub gears. I remember my boss in the trade snorting with derision at a five speed derailleur when they first appeared, saying "Who could ever need five gears?"...

Agreed, and this will always be a small market. The concept is that it suits the cyclist who likes road bikes and is quite keen but cannot sustain the necessary high levels of fitness of the best roadies. Those I knew of were mainly late 30s into 40s. A Cytronex enables them to ride on the...

I think that may be the same Mark who started up Cytronex. If so, he posted at the time of the introduction of the bikes but was the first Cytronex poster to drop out of posting after lots of sustained critical posting about the bikes from those who didn't get the concept. It seems you don't...

I can't remember all the member names from that many years ago and doubt this forum's lousy search facility will find anything since the history seems largely limited to since the forum software changed. However, the criticisms were similar to those here, things like low power, inadequate...

Come now Eddie, that's ridiculous and I would never speak of a pedicab with a Cytronex system, nor did I recommend a Cytronex for commercial use. I just drew a comparison between the Coboc and possible courier use. My mention of the assisted pedicabs was to show that the very fit riders are...

Fixies are very popular with the professsional full time couriers, we have large numbers of them in London. Much of their work is in the central largely flat area, but they occasionally get into the hilly parts of North London where things can get tough for them. I see a potential market for...