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I destroyed the broken one, attempting to remove it from the spindle. Counted the teeth on the piccy of the gear I posted, and it's 36T. I'll be a monkey's uncle if that one on the German sight aint the same. Hub's running fine at mo, but have bookmarked that site for future reference. Shame...

Nice find m8. Have had the hub apart a few times in the last week, and it's a pain in the arse :mad: Don't suppose you fancy doing the donkey work to find out the gear specs, do you? ;)

Don't know which one d8veh suggested, but some people fit these: Turnigy Watt up Meter and power Analyzer UK seller | eBay

I tightened mine as tight as I felt comfortable with, around 1000 miles ago, and have had no problems since. I do a lot of track riding, so if you ride your bike on roads only, then you definitely won't get any more problems.

I have publicly flogged myself :o

If it's definitely not the spokes, then I would send it back. I wouldn't chance leaving it and finding out you've got a duff hub motor. Then you'll have the problem of finding parts, if it's outside of the warranty. SportsHQ repair turnaround is fairly quick, so you'll be back on the road...

It'll just be the oil thickening up due to the very low temperature. Liken it to golden syrup on your pancakes. The missus keeps our syrup in the fridge, so takes an age to drop off the spoon. I try and pre-empt a pancake feast, and remove the jar from the fridge an hour before. Imagine your...

The poor chap's way to fixing a hub motor with broken teeth My apologies for the ambiguous title. Was all geared up ;) for replacing the Cyclamatic's broken hub spur gear, with either another nylon one or a stronger steel one. That was until I attempted to remove the defective one...

Here you go me old china, give this a go before you blow yourself up ;) http://www.pedelecs.co.uk/forum/technical/9183-cyclamatic-controller-mod-walkthrough-pics.html

When you say tried all of them, do you mean tighten with a spoke key or just wiggle them with your fingers?

I realise this is a ' how long is a piece of string? ' question, but what sort of lifespan am I looking at? It's 12v 65Ah, capable of 720A burst. Don't quote me, that's what the label reads. Been on my diesel car for 9 years now, with no starting problems whatsoever. I know these...

Thanks flecc, I will probably stick with nylon, as the gears seem simple enough to replace anyway. The guinea pig strikes again... watch this space :)

Thanks for the info, and the offer of testing the theory. One thing that does put me off bending the frame, is that I don't know if the servo brake will then fit on a shorter axle. I'm making enquiries into getting new spur gears machined, which seems like the logical option. I'm after a bit...

Did that a few days ago. Just waiting for a reply :)

I may be willing to give that a go, but was just under the impression that aluminium snapped really easily when forced beyond its formed shape.

d8veh, I'm still using my bike at the mo, so not keen to strip the hub down again. By chance, do you know how the nylon spur gears are attached to the assembly. Are they held on by a circlip? Too much grease on them to notice the other day. I am warming to idea of either getting a nylon...

I had my eye on that baby too, but too far to travel to collect. If you can't get it to work, then I'll take the rear wheel off yer hands for some lolly ;)

Yes, the green light going out under load is quite normal. As long as under load the yellow and red are both still lit, then the battery is probably ok. Straight to red under load on a fresh battery might indicate a faulty battery. The best way to test is to fully charge the battery. Then...

That was Freddie Starr, and he only ate half a hamster :rolleyes: They'll be reporting next that Anthony Worrall Thompson got caught stuffing Edam down his pants.

Don't beat yourself up about it mate, I think you are both pretty quick at replying to posts :D