That feather is the newer fuji re-issue, not much different than the kilo IIs, etc. My old feather was lugged w/ nice shimano track dropouts and a cool flat crown fork. I miss it alot (crashed). I went ahead a did the BB on the gitane, good thing, the ~40 yr. old grease was gunked up solid like bar soap.
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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"