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Gordonal, Have you looked at the clip? If you think that Kalkhoff performs well in it, fine. We disagree.

Are you seriously trying to tell me the Kalkhoff in the clip climbed well? It came second, a poor second, in a contest of two. I thought the battery was flat.

That Kalkhoff shows all the weaknesses of crank bikes. The gear change is poor, it lacks power - possibly for fear of damaging the transmission - and it won't deliver what power it does have when the rider wants it. Turning over a lower gear faster to climb a hill - as the lass did in the...

And for those who missed it: The Gadget Show | Switzerland: Electric Bikes video from The Gadget Show

A bike I would consider were I spending a nice few quid on a commuter is a Moustache: Moustache Bikes | Lundi 26 NUVINCI Should do the job, a bit quirky and at least there won't be load of others at every traffic lights.

The Kalkhoff the OP is considering has a 15ah battery which must be a major selling point. With the OP's 23mile commutes, a 10ah would need to be charged every day and it wouldn't be long in terms of months before degradation set in. The 15ah wouldn't need charging so often and has a longer...

More on C5 motors here: motor

As was the Sinclair C5, which is hardly a recommendation. Although most people were too busy laughing at the rest of it to worry about the motor.

The problem with this method is some pedals are set further forward than others, depending on the geometry of the frame. An extreme example is this Gazelle, which is designed for the rider's feet to be flat on the ground when stopped: BALANCE INNERGY (2012) - ELECTRIC BICYCLE Incidentally...

Usual saddle height advice is to set the saddle so that your leg is fully extended with your heel on the pedal. Obviously, you cycle with the ball of your foot on the pedal, but the heel method gives about the right height for most people.

This means Eddieo will be able to get that Duke he's wanted for so long for just £545.

Others on here know far more about kits than I do, but I think almost any bike can be electrified fairly easily. The 'Electric Bicycles - general discussion' section of the forum is busier than this one, so post the name of your bike and the question on there and I'm sure you'll get some...

The legality of a throttle is a grey area, but most people accept they are within UK law - at the moment. What is clear - and more important - is the bike cannot go more than about 15mph on electric power alone, however that power is applied. There are dozens of electric bikes on sale with...

All the commuter bikes I saw parked on-street in London earlier this year had fixed seat clamps. Clever 'unique key' version here: Seatpost Clamp Security - Atomic22

This hardly inspires me to buy a crank drive, or are we saying the 250w 'legal' ones don't wear transmissions unduly? Referring to range, some enormous distances - 100miles + - quoted for Kalkhoff's 2013 bikes: Kalkhoff : Models 2013

Hardly, given the system's apparent appetite for cassettes and derailleurs. And most Bosch bikes have small batteries - is the range any good?

Someone will be along shortly to claim that because it's got two wheels and a saddle it must be a rip-off of another design.

Might be something in that. At a guess, if you spend £2K on a German ebike, £1,200 or more is profit and VAT. Give Hatti £600 for one of these, and I doubt profit and tax comes to much more than £300.

It's only six hundred quid, so it's a cheap, reasonably cheerful ebike with proper manufacturer parts. It's also from a brand which carries stock and of which I've heard no complaints. Where's the beef?

Canal path and the pub sounds fine to me.