Originally Posted by
EjustE
The clamp will probably work to get the DA shifters on, but apparently only DA 74xx shifters will work with DA 74xx derailleurs.
yeah, don't believe it. All of the rear derailleurs after 7 speed mixed pretty well. I haven't tried an old one on 9 or 10, but there's a good chance that the 7400 will work with that too. Probably not optimally, though...