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Being 2.4GHz I would guess it's bluetooth based, so off the shelf stuff I would imagine. If so, you could control it with your phone or laptop 8) :D

Personally, I've got more than one bike I'd like to use them on (as in share it between the bikes). What's so complex about a wireless system? I don't know for sure but I doubt it's something you need to make any effort over, quite the reverse.

Goeco haven't chipped in on this so I'll do it for them - WIRELESS LIGHTS I'm considering them myself!

Them: "That's cheating!" Me: ".... and?" or Me: ".... your point being?"

A quick update while I'm here - I've been to work and back four times, plus some other journeys makes about 200 miles on the kit. I'm pleased to report that there have been no problems at all and it's a pleasure to ride. It's true that it is nice and quiet - I haven't noticed anyone turning...

Yes, definitely. If I wheel the bike backwards I can feel and hear the motor engaging which I can't if I push it forwards.

Yes, the picture of the kit (http://www.alienbikes.co.uk/USERIMAGES/MAIN%2036V%20KIT(1).JPG) also shows a brushless hub as you can see multiple wires coming out of it. Mine only has the two. Maybe he should start stocking replacement brushes :)

Easiest way to tell is by how many wires are coming out of the hub - if there's just two then it's not brushless. As an aside, according to my Maplin power monitor it took 0.26kWh to recharge my battery after riding 20 miles to work this morning. It takes 0.46kWh for a full charge so likely 35...

Ordered it on 06/03/09, arrived on 11/03/09. Looking on his website I can't find any references to brushless on there now whereas I'm pretty sure it used to.

For anyone that's interested - the Alien front wheel conversion kit (- 36v Conversion Kit 26" & 700C) uses a brushed motor. This doesn't seem to be an issue on a day to day basis but of course does mean the brushes will need replacing eventually.

Thanks for the replies. I suspect that the only way to get hold of a new motor on its own would be to order direct from a supplier in China or the US. The gears look like they may be changeable though. Has anyone here dismantled one of these hub motors personally?

Wheel off the ground speed on my 700c wheel is 19.5mph, about 250rpm I think. I weigh 105kg and on a flat road I get around 16-17mph without pedalling. It doesn't take much effort to get to 18.5-19mph, but when you exceed 19.5mph I think I'm right in saying you're suddenly doing all the work...

I've just fitted an Alien kit to my bike. I don't know how to tell whether the motor is a Bafang but it definitely has a freewheel. If anyone has any questions about the kit ask away, but bear in mind this is my first experience with e-bikes so be gentle :)