Originally Posted by
JohnDThompson
Not quite. It has a sprung upper pivot the Nuovo Record lacks. It was most likely based on the Simplex derailleur, as sixty-fiver suggests.
I've long suspected some sort of licensing agreement between Simplex and Shimano, e.g.:
It is so sad that Simplex followed the marvelous 61, with the Prestige which essentially killed them.
The Prestige is a nice design as it shifts really well and could probably run circles around an NR for a fraction of the price but they are made of fromage... derailleurs have to be reliable.