Originally Posted by
T-Mar
If the shell is only 68mm wide but Italian threaded, there is always the possibilkity that was orignally English but had been stripped and rethreaded to Italian. However, the serial number format does indicate an Italian manufactured frame. Some of the frame attributes seem contradictory, but the majority and strongest traits point towards a late 1984 tretubi model. It would be interesting to know if the bottom inside of the fork's steering column has the helical ridges.
I bet it's actually a 70mm shell and they measured wrong the first time. Or a 70mm that has been heavily faced.
It probably is a tretubi "Campione" level bike, as all the pro bikes had under BB cable routing from at least 1980. But I will say the lug finish work is pretty nice, at least much nicer than my mid-level 1980 Rekord 748 which shares the same lug set. They actually did some filing on this one.