Shimano Deore SL-M590 Trigger Gear Shifter 9-speed Right m590 9speed 3x9 - New | eBay
Replace Shift Cable In Shimano EF-51 Trigger Shifters - YouTube
How to fix a shimano shifter that won't shift - YouTube
Deore 10 speed rear shifter didn't work. The lever was very loose and I was able to wiggle it about 1cm vertically. After opening it up, the hexnut turned out to be
How to fix a shimano shifter that won't shift - YouTube