Originally Posted by
AZORCH
I'd try those derailleurs before you decide to trash them. I've had a few of those "low end" Simplex changers that shift like a dream.
I ran a "plastic" Simplex front and rear for many years, until the front one finally cracked. I would be a bit worried about the age of them, and would have a spare ready to go at a moment's notice...
FWIW I have a mid to late 80's Peugeot mixte that still has them
Aaron