How to upgrade Shimano XT (SL-M770) 9-speed shifter to XTR (SL-M970) functionality. Multi-Release !!
The insides of XT and XTR shifter is completly the same.
Only in the XT cover is a small bridge which blocks the Multi-Release functionalitiy.
Just remove that bridge with a cutter (be carefully) to get the same "Multiy Release" functionality like the XTR shifter.
