Quote:
Originally Posted by cheesy
Ron had some nice frames for sale. If I'd had some more change on hand, I would have bought one of the tandem frames he had and moved the parts over from mine. I really liked his Gitane tandem frame, even if it was French.
On the Guerciotti frame, I don't know what tubing it's made from, no transfer. If the seat tube diameter is 27.2mm, that would lean towards 531. I'm not sure what the ID of Columbus would be.
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Weight could be a clue. Also sound. If you build on it, stiffness would also provide a clue. 531 is super light, and it has a rigidity to it.