Amazon.com : SHIMANO Deore XT BL-M8100/BR-M8120 Disc Brake and Lever - Front, Hydraulic, Post Mount, 4-Piston, Finned Metal Pads, Black : Sports & Outdoors
First Review: Shimano XT M8100 and SLX M7100 – presenting Shimano's entry-level 12-speed drivetrains | ENDURO Mountainbike Magazine
Shimano XT and SLX go 12-speed: M8100 and M7100 MTB groups explained - CyclingTips
12-Speed Shimano XT Review: Lessons After 2,500 Miles - BIKEPACKING.com
Shimano XT M8100 12 Spd MTB Rear Derailleur - Cambria Bike
Shimano XT 12-speed Launched | Mountain Bike Reviews Forum
Shimano Deore & XT LinkGlide MTB group is 3x more durable - Bikerumor