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What I used to do to check on my cadence now and then was just count the number of times my right knee came up in a ten second period. Quite easy to get used to counting seconds accurately in your head if you don't have seconds on the bike computer. So I aimed to keep it at about fifteen times...

Changes to things like numbers of cylinders are pretty recent and have been mostly about cost cutting. Until the latest changes which were for other reasons too as mentioned. Actually I would like to see a lot of changes as I said before, but a free for all is not one of them nor is it...

Actually there have always or almost always been tight regulations in every GP era. The current engine regs were brought in because the manufacturers like Daimler and Honda wanted to have power units applicable to future road cars. So energy recovery and hybrid electric batteries for cities, and...

Not sure I agree about the tightness of the regs in F 1 being that silly. If they aren't tight then the teams full as they are of talented and advantage taking people will get the jump on the other teams and gain an unfair advantage. For instance we saw that at the start of 2009 when the Brawn...

I've always bid like that and the main advantage is you bid what you think it's worth to you and are not tempted to overbid. If you win it cheaper great, and if you win it at close to your bid than that's what you were prepared to pay. You can get caught out doing this if something is limping...

If they are selling it only as a 350 watt motor it would not be legal here presumably. Or are they doing what some Chinese manufacturers do and marking them as 250 watts. It does say it's aimed at the European market so why are they making it illegal except for an S pedelec I wonder.

I hope you take him up on his offer and also do a write up comparing the bikes. Then he can ride yours too, and either of you might be in for a surprise.

It's possible it's a creaking saddle. Try pedaling out of the saddle first to see if it still happens.

Bottom brackets can take a fair hammering, and that seems to have directly or indirectly caused the wear here. They should know how to properly engineer their components, but companies cock things like this up all the time in new designs. Why do you think there are so many automotive recalls...

It's a mechanical failure not an electrical one. The fact that the Mark 11 version has a very much larger bearing than the one which failed here is rather indicative of the company implicitly accepting that they made the thing too small at first. Don't you think?

But it seems that the Panasonic is better in the most important respect. It's reliable and won't need replacing unless you're very unlucky. But this first Bosch is a lemon, and it's not much use being able to take the thing apart if you can't get the parts to fix it. For all the bullshit and...

They do go faster than that. Over 17 mph before all assist is gone. Then assist is back at just about 17 mph again. Unlike some e bikes they do ride well past the cut out too, and although heavy mothers will happily cruise on the flat as cadence and gearing suits. Then when you come to a rise...

I expect someone like flecc will explain the law soon. But it sounds to me like a shop or salesman is trying it on to get a sale. E bikes are still sold here with throttles and nothing has changed recently.

I've read all of this sorry tale including your bobbing and weaving, and the way you've backtracked of what seemed like solid promises of help. I don't jump to conclusions very readily but one definite conclusion I've come to after this is to never in a million years buy a Bosch motored bike...

So why is he writing that he needs to buy a truckful? He's stripped the motor down and rebuilt it with the old bearing, so if he had a new one he could fit it and the problem and this thread would be over. But he says he can't buy one at a reasonable price. So either he's wrong about that or...

You say the thread should be titled: How can I source a bearing. But there doesn't seem to be any source for them at all unless he buys a huge amount. In another answer you suggested he contact Bosch dealers to see if they had one. But why would they when it's not a replaceable part? So 4000...

I read this thread from end to end and It's my personal opinion that the attitude shown is poor. I would not buy a Bosch motored bike after this. BTW both Kalkhoff and Woosh have transferable warranties. That's just two.

It comes back to the primitive way the industry still operates. Other industries have moved on but the e bike trade still carries on as they did at a time when small bicycle makers built a model in a run of fifty or less. KTM and Bosch are large companies and it should not matter where the bike...

I once spent half an hour looking for the centre of MK. After passing the concrete cows a couple of times from different directions I came to the conclusion that the place was like a microcosm of the universe, and had its circumference everywhere and its centre nowhere.

Just drink the Koolaid and everything will be fine....