Originally Posted by
bjoerges
New Shimano XT/XTR is going to be 10 speed. I'm sure there will be a long cage of both that will accommodate 11-32 and still work with your Brifters.
Incorrect.
The new 10s "Dyna-Sys" mtn RD's have an incompatible cable pull.
The older 9s RD's will work with brifters.