Originally Posted by
veganbikes
Excuse me....DURA ACE 7400 and it was indexed thank you kindly. I believe that would have gone through at least 1988 but possibly longer with Uniglide cassettes. Mine is still going today (aside from some issues with the front friction shifter)
e.
Dura Ace SIS indexed shifters were mid 1980's tech. I was talking about 1970's tech when 6 speed was state of the art. My 1973 Raleigh Professional had a 6 speed freewheel