Originally Posted by sykerocker
......Considering the alternatives were things like the Huret Allvit (in my estimation the worst derailleur ever made) and Campagnolo Record (priced beyond what most any of us could afford at that time), the Simplex was a very credible alternative......
I guess you aren't familiar with Campy Valentino derailleurs, which were thankfully rare in the US, but did show up on some low-end Italians of the bike boom era. A really nasty little stamped steel POS....