I may have the right campy tool. But I probably won't service it until it needs it, or next winter, which ever comes first. It just had me curious, I had not seen a set up like that before.
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1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"