Joined: Oct 2020
Posts: 1,498
Likes: 1,166
From: Phoenix, AZ
Bikes: 1964(?) Frejus Tour de France, 1967(?) Dawes Double Blue, 1979 Trek 710, 1982 Claud Butler Dalesman, 1983 Schwinn Paramount Elite, 1984 Miyata 1000, 2014 Brompton, maybe a couple more
I have had pretty good luck filing the modern cable ends flat for use with Simplex/Schwinn shifters. They don't have to be a perfect circular coin shape, just flat enough to go in the space.