A short postscript, just to finish off the thread ....
I ended up buying the round titanium sleeve.
My thinking was that the titanium might be easier to work into an oval shape which would retain its finished form better than carbon.
Well, that was part of the reasoning anyway ... the other part was that it was only £30 posted !
At that price I thought it was worth a punt.
And anyway, the titanium will probably retain its cosmetic finish better in the long term than carbon would .. and as I have often said before, this bike is a definite keeper.
So, it arrived today and I can tell you that its only 0.5mm thick and weighs next to nothing.
It also deforms fairly easily to an oval shape while at the same time being stiff enough to resist returning towards round half way along the can.
So far, so good .. though I'll have to cut it to length and that might be a tad tricky.
But for now I'll have to leave it on the shelf 'til winter when I will sorn the bike, rather than disable it now during the riding season ... unless the temptation gets to me before then.
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