Originally Posted by luker

The timeline and history of Colnago is something of a mystery that is being worked out a little bit at a time, even as we speak. Colnago (and many others) used subcontractors to make frames from time to time, and the serial numbers and details of these jobber frames are enough different that the water surrounding Colnago history is very muddy. Unless you can identify your bike directly using one of the catalogs on the Bulgier site, or another trustworthy site, you can be comfortable that no one will argue with you when you say "80's".