Thanks, mine was a proper road bike but I made it more upright / urbanish. I believe all the threading on it is french. I'm considering putting an ideale saddle I have on it but that would require using a non-zeus seat pillar.
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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"