Originally Posted by
Colnago Mixte
Looks like it may have the relaxed head tube angle that T-mar talked about in an earlier post. Nice there's no internal cable routing. Is it splined triple-butted, or "just" regular triple butted?
It is the STB, but I believe the 312 only had STB in the the seat or downtube. I found a scan of the page from the 1989 catalog yesterday somewhere that stated that. I believe I found it on here, but I can't find it now. SN starts with a Q, indicating 1988 build.