What if the bearings are silky smooth? Service anyway or leave as is? I'm working on an early 70s Gitane, the wheels and headset needed service but the BB is so smooth and nicely adjusted I held off.
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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"