Originally Posted by
unworthy1

Nice work all youse guys! I did not think the Roto BB shell was available until about '84 so I'm now better informed and you all nailed it as a Carnielli product. Color me impressed!

The Malvor-Bottecchia Proteam even used over gear cable routing BB shell in 1985. And clamp-on FD fixing even in 1986. Pretty conservative manufactory.
Saronni's Colnago has already in Goodwood 1982 braze-on FD fixing and new type BB shell. The '86 or '87 Bottecchia catalog shows only the top SLX model with under routing BB shell. In the '88 catalog already all types are with under cable routing BB,