My reason for getting the front was because I already had a rear brake - my legs. Plus I didn't want to route the cable/housing to the rear, the bike looks a little cleaner w/ the front brake imo.
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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"