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Indeed, nothing will ever beat a derailleur for efficiency with light weight. But for many there's more aspects to cycling than those considerations. .

There's another solution that's been used a few times on Giant Lafree bikes with failed Panasonic motor units. Open the Impulse unit and remove everything inside except the pedalshaft with its redundant pedelec sensor. That leaves the quite light alloy casing as the bottom bracket. Then fit a...

Indeed, in civil law. That is why that step at 14 persists, making it a convenient age point for division of civil rights. The reason for my reply post to the OP. .

This always amuses me. Just as derailler riders plan ahead by changing down before coming to a halt, so experienced hubgear riders plan ahead for hills by being in the right gear before hitting them if travelling slowly. But if riding quite fast, gear changes can still be after arriving at a...

Don't lie Fingers, I did not say nor have ever said that 14 was the age of criminal liability since I know the law in this area only too well. Your mistake was to butt in on my reply to someone else without the courtesy of seeing what the discussion was about. Had you bothered to look, you'd...

You very arrogant in attempting to cover your obvious mistake, I don't know why I bother replying. I'm sure you can Google for rights and responsibilities, however: The age of Criminal Responsibility in England and Wales is 10 years old. Until 1998 there was a presumption in law that those...

Hopefully they won't bother, I don't see the point of any bicycle gear systems with crank motors in pedelecs. Though the rider needs a range of gears to cope with all terrain at healthy cadences, the motor only needs two at most to cope with the pedelec's range of legal assist speeds. Any...

Indeed, he was wrong since he didn't read the first two sentences of my post: "There is a division at 14 years old. At that age there is a marked step up in the youngster's legal responsibility, harsher penalties etc." Note the words "step up" and "harsher penalties", showing there was...

No Fingers, I am not wrong since you didn't understand the use of the word division. The age of 10 you quote is the first age of criminal responsibility, which has no relevance to the post I was replying to. Thereafter there is a division at 14 years when there is a marked step up in...

Write "None of the above" on the ballot paper. Increasing numbers are doing that in recent elections and it's beginning to notice. Ultimately it could worry the politicians and force some change. .

True, but it's a two way street, civil liberties and responsibilities. They must also be expected to have greater understanding of the need for special measures at times, including that those in charge are human and do get things wrong at times. In other words, learning the tolerance that is...

There is a division at 14 years old. At that age there is a marked step up in the youngster's legal responsibility, harsher penalties etc. This even intrudes into our area of interest with the 14 years old lower legal limit to ride a pedelec. Accordingly the authorities and particularly the...

This is very interesting and has huge potential. The biggest advantage derailleurs have is their outstanding efficiency, due to there being no gears. A deraileur simply provides a choice of single speed chain drives, each having the near perfect efficiency of a chain drive. Shimano's new...

That would be a good thing, if it actually happened. The Northern rail system is a disgrace for a 21st century country. I'm not bothered by our Crossrail overruns since they are very reasonable. All our public projects overrun, usually by far greater amounts and far longer periods .

BJ's disastrous performance will write his own epitaph. We in London know that to be true from his time as our Mayor, a very costly legacy that we are still putting right. .

Thanks for posting this Raboa. It's rather premature and also exaggerates the problem. Premature since there hasn't been enough e-cars yet to set up any recycling facilities, the sudden growth in sales being only just over a year old. Exaggerated because it omits secondary use. The most...

You lecher. First Nicola Sturgeon, now OG's missus. .

Exactly. In my experience the Irish are the most likely to tell anti Irish jokes. The longest stream of them I ever heard came from an Irish barman in London. My drinking companions seemed to think they were funny, but I didn't, perhaps in part because I don't drink alcohol. .

The US of A. .

It's just fashion. The first production e-bike electric motor was a hub motor from Heinzmann in 1922, followed by Philips with another hub one. They disappeared with World War 2, and after that tiny petrol motors took over the bicycle assist market until 1982, both in hub and other positions...