Marking for date of manufacture
1973 – 1979: the year of crank manufacture is the last digit in a diamond.
1980 – 1984: the year of crank manufacture is the last digit in a circle.
On right: triple crankset with 32 tooth third chain ring
(This was the only size inner ring available from Campagnolo)
If you would like to join the Classic Rendezvous Form please email Guy Apple at guy.apple00@gmail.com