Bruce asked:
>Laying bare my ignorance of Campagnolo, what is the smallest chainring
>that will fit an old style (early 80s?)Pista chainset and would anyone
>want to swap one for a 52-tooth ring?
Depends on the Bolt Circle Diameter. A 144mm bcd will take a (rare) 41t ring, while a 151mm bcd will take a 44t. Check out the difference at <http://www.bikecult.com/works/chainring.html>.
Roy "back to the real world" Drinkwater Lititz, "how can anyone live in NJ?" PA