Originally Posted by
mkeller234
My even older shimano Deore shifts a 9 speed cassette, you should be fine.
Which Deore model are you running? I'd like to use my MT60 (currently running 7 speed) with a 9 if possible. VeloBase indicates it should run an 8 speed "without a problem" so I'm curious if that is the model you happen to run on a 9.