In a message dated 9/29/03 1:46:01 PM Pacific Daylight Time, DTSHIFTER writes:
> Could you elaborate a bit more on identifying the year of manufacture of a
> G.S. rear derailleur?
May I first point you to Chuck's Campagnolo Timeline available at
There are variations, the first being 1951. Then changes following in 1952,
1953, 1956, 1960 and 1961.
Having looked at that, let me (or the list) know if you still have a