For the price and price premium over XT, I'd expect it XTR to use the space-tech lube used on the Mars rover.
Originally Posted by
American Euchre
XTR is packed with grease like every other trigger shifter, yes? If so, it can dry and harden and lead to shifter failure like any lower tier group. There is a simple solution however, as long as you have access to a mini screwdriver and some lube.