Originally Posted by
Retro Grouch
I'd say that the proper vintage replacement for that derailleur would be a Suntour VGT. At least that's what we used to put on when the Simplex derailleur body wore out. There has to be a few of those still about because they produced and sold them for a very long time and they were built to survive a nuclear attack.

First mod I made on my Atala was to replace the Simplex with V-GT/Compe V.
Nixon was president.....
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You know it's going to be a good day when the stem and seatpost come right out.
(looking for a picture and not seeing it? Thank the Photobucket fiasco.PM me and I'll link it up.)