Originally Posted by
hokiefyd
The model number of the rear derailleur should be on the inner linkage plate. It should start with "RD", and would read something like "RD-M737" or similar.
Edit: or,
here is the 2008 XT group. Does your derailleur look like one of them (and, if so, which one)?
The top one (silver)
Apparently the model # is RD-M761
Last edited by liampboyle; 11-13-19 at 09:40 AM.