Originally Posted by
CV-6
LOL...Bob Broderick is the person who first educated me about the <c> headsets when I got one on my Gitane Super Corsa. Can't go too far wrong with his info. He researches these things assiduously. I cannot answer your questions. Wait until you get started on the brake levers of that era.
I already know a bit about them. The curve changed over time though I don't know the details. I know the earliest has circle cut-outs for the cables and yes I have a set.. Both the <c> headset cup and the levers going on corky are courtesy of the good Dr.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear