Campagnolo dating codes
They were for sale at the most amazing garage sale a teen-aged (or even middle-aged) bike geek could imagine.
Besides the hubs, I had purchased a pair of impossibly light Super Champion tubular rims and built my first pair of wheels.
The most likely components to be original are the stem, handlebars, seatpost, and brakes.
The rear derailleur freewheel/cassette and chainwheels are probably the first to be changed on a bike.
1966 was the first year Record cranks had a 144m BCD (down from 151), and 1972 was the last year before they started putting date codes on the back of the crank arms.
If you check out the Campagnolo catalogs, you won't see either finish pop up until the 1991 catalog.
Whether it was because of the extreme lightness of the rims or because of my amateur wheel-building skills (probably both), the wheels seemed to need constant truing.
I eventually un-laced and re-built them with the same hubs and a more robust pair of rims (my wheel-building skills having improved greatly), and I still use them today, almost 30 years later. The Campagnolo Record hubs are iconic kit -- without a doubt, the best hubs one could buy in their day, and one could argue, among the best of any time. First introduced in 1958, the Record hubs were made with only minor changes up until about 1985 or '86.
The Record hubs replaced the Gran Sport hubs, which were actually manufactured for Campy by a sub-contractor, Fratelli Brivio (or FB).
The Gran Sports were comprised of a steel barrel with aluminum flanges pressed on.