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Old 12-10-14, 09:01 AM
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>My Giro takes a 27.2mm seatpost which would indicate an SL seat tube with a 0.6mm wall thickness.


Great discussion on Formula 2 Tretubi. I'd like to contribute a thought though.

I have a 1989 Quattro with Columbus Cromor stickers. I am 99.999 percent certain it has a 27.2 mm seatpost (not by me to check conveniently). The snippet I quote states a 27.2 seatpost signified an SL tubing - but given my bike, Cromor apparently also uses 27.2, so I always thought Tretubi was essentially a Cromor frame.

Please correct me if I'm wrong.
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