Vintage Campagnolo Triple setup, very confused wrt "cups"
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Because I live on a road where my driveway enters a Strava Segment named "The Wall", I am trying to assemble a fairly correct "Campagnolo Triple" for my 1973(ish) Colnago.
I am very confused about "ebay sellers" claiming I need to buy a thin "Pista" bearing cup for each side. I have looked in...

