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* no not a poo - dirty boy
I have a set of Middleburn RS8's with a Duo ring - (29 & 42t), Middleburn extracting bolts. All very nice.
Possibly looking for a swap with cash if needed for a modern (175mm) external crank.
So then WHY?

I have a set of Middleburn RS8's with a Duo ring - (29 & 42t), Middleburn extracting bolts. All very nice.
Possibly looking for a swap with cash if needed for a modern (175mm) external crank.
So then WHY?