Originally Posted by James1964

Another data point regarding 1970 Gitane TdF. I recently bought one that was in storage for decades. It has:
Reynolds 531 frame and fork,
Simplex rear drop outs and Criterium RD,
Mafac Competition brakes and levers,
Campagnolo fork ends, Nuovo Tipo hubs, NR front derailleur, and NR shift levers,
Stronglight 93 crankset and headset, and
Brooks B15 Champion Narrow seat (unfortunately the leather is torn across the middle)