Originally Posted by
stringbreaker
If you haven't ridden this bike you are going to love that Crane derailleur. I use on on my Schwinn Volare the Crane was incorporated to the Dura Ace group in 1978 I think it was. Shifts like its indexed instead of friction.
The Crane was included in the original Dura Ace group in 1973. I have no experience with them, but I've read that they worked almost as well as a Suntour V.
http://www.sheldonbrown.com/shimano1973/pages/da5.html