Full Shimano XTR m952 Mega-9 drivetrain on my Trek STP made me fall in love with the mountain triple again. There's nothing like shifting into the 46t front chainring and transforming Slabtown
Shimano XT ST-M750 9 Speed Rapidfire Shifter Combo: Black & Grey - Front Rear Pair (EXC) - Bike Recyclery
Shimano Deore LX Shifters and Brake Levers Mega 9 Drive Train St-m570 3x9 Speed for sale online | eBay
New Shimano Deore 11-speed Gets Wide Range 11-51T cassette + 10-speed Updates - BIKEPACKING.com