Originally Posted by
bikemig
Yeah this can be an issue and the worst offender may be the Tektro CR 720 which I suggested in an earlier post as being a fine cantilever. It is a fine cantilever but I have had difficulties in setting it up with narrower posts found on older bikes and there are other threads on this as well. As much as I like them, I'd steer clear of them in working on an older bike.
Yes, I had the same experience trying to mount CR-720s on an early 90s touring frame. They were easy enough to just get on the frame, but dialing them in was such a pain in the ass that I had to take it to a bike shop.