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If you use an MTB 5 arm 94/58mm crank set (Shimano M563, M737 for starters) then the 58mm inner will go as low as 20T. Fit a 28 or 30T on the back and you have around a 19" gear - which is all I need on a loaded tourer on Dartmoor. If you have a 7s hub you can fit a 9 or 10 speed cassette, just...

The secret is that float in the Shimano top jockey wheel. It's about 1mm either side and it usually can be persuaded to work. After a while the cables get a bit gummed up and it's a pain. The point about 8 fitting on a 9+ speed alloy body is a good one - you might get away with it but the high...

Definitely got a total tiller of a stem in silver you are welcome to for a donation to the RNLI.

If it's a Campag freehub body then you need to check the splines: if alloy then it will take 9/10/11/12 speed. If steel then it's either a 7 or 8 speed depending on the length of the body. 7 and 8 both use 5.0mm spacing, which will work well with a Shimano 7s setup. Probably easiest is to...

Steerer length?

Once you have a few posts you can use PM.

I bought it in the end. I'd be happy to sell on, the hub will have been regreased with new bearings. PM me if interested.

Really? That's interesting, I've always found they are fine, both M8F thread. Maybe there is some age difference, or a solid Shimano BB shaft bottoms out earlier. My experience would only be on UN7x with the hollow shaft.

IIRC I have a NOS Shimano one (basic but in box) and also a used XTR.

Got several, what sort of size do you have in mind? I've 11-30, 11-32.

No, all that stuff is totally interchangeable.

+1 for Exotics, had them on my main rider (singlespeed) for 6 winters now, still look immaculate. They are no lighter than a decent steel fork (replaced a TB P2) but they have a bit more bump and buzz absorption.

11 speed upwards has narrower chain internals as far as I understand. 7-10 speed has the same inside dimensions.

Honestly Reynolds were very very cagey about 653, there is almost nothing written down - and even less on the internet. My info is from a niche book published in 1990 which is hard to find these days...

And you would be right. Along with the proliferation of bottom bracket standards and wheel sizes. But fortunately Shimano will ride to the rescue in 2030 with a new range of triples to solve the problems of the narrow range of 1x systems.

653 is not 531C at all, although it is the same alloy - it does use 753 stays. 753 is the same alloy as 531 but has a heat treatment (hence the need for silver brazing and the need for builder's licences, otherwise it reverts to 531). 653 uses 753-dimensioned tubes (thinner wall than 531C) but...

Why not fit a bar-end shifter for the LHS instead and simply ignore the STI?

Got a bike's worth of Shimano 600, the grey tricolor type with pads. Say £20 posted?

653 is the same gauge as 753, but an inferior material (different heat treatment). Tony Oliver's view in his book is that it's a bit on the light side and marginal. So that comes to a question of suitability: probably it will be fine in a small frame, but in a very large one it may be too flexy...

RAL is only a tiny subset of the colours available, most bikes (and other things) do not use RAL-standard paint shades. RAL can help with a good match or near equivalent of course.