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Yep, will do - and I'm having fun doing it!

Ok, apologies if this message is repeated - I lost my i/n connection during an earlier attempt to make this post. Firstly thanks to all who responded, publically and privately, making the effort to post pics. This is where I'm at. I'd bought an old bike, a Raleigh Royal, which was bit of a...

Thanks. May be it's the camera angle or the light - but the teeth in the botom right quadrant look like they're past their best - or even non existent??

Thanks. Are they HP rings and how many teeth? How much are you looking for?

Hi, I'm looking for a Biopace HP 38t chainring, ideally good condition or NOS. Thanks

Thanks, yes I have seen it before and it was that which gave me an understanding of the Raleigh convention up until a date shortly before I believe my bike was made! I'm struggling to find anything covering a later period...

Resurrecting an old thread here... I've recently acquired a Raleigh Royal. Based on the spec and frame colour I'm pretty sure it's a 1989 model. FWIW, the bike is black with a silver head tube and fitted with an Exage Biopace triple at the front. The rear wheel and cassette is not original so...

Re: Well then, I managed to source a UN55 bb (albeit in the wrong width) and the cups screwed in perfectly. So I'm now off the order a UN55 in the correct fitting. That's one potentially big problem solved - and I'm very happy. Quite what I was doing before I don't know - I suppose I must have...

Thanks; the JIS one definitely doesn't fit; I also have a PowerPro one which has since been replaced with a UN55 so therefore ought to be the same thread but that doesn't fit either. Oh, and good check Ray about the reverse threading (counter clockwise) but yes, on this occasion, I was doing it...

Re: I would much prefer that option. However, I haven't actually tried a UN55, only a couple of old cartridge type bbs that were kicking around in the shed. One of them says it is JIS - could that have a different thread? Whatever, it definitely doesn't fit. I will go and see if I can find...

Re: Thanks, that's a good, cheap option! There appear to be seals on the cups where the axle passes through... Is this unusual? Surely there must be a means of excluding water, grit etc?

I recently became the proud owner of one of these bikes. Most of the bike is original with some parts, understandably, showing their age and needing renewal. In particular the bb. I have removed the original. I'd thought that by 1989 Raleigh might have been fitting cartridge types but...

Complete bike or frame only, cosmetic condition immaterial if frame and forks are sound.