First test: Shimano XT M8100 and SLX M7100 disc brakes – lots of power at a fair price | ENDURO Mountainbike Magazine
Shimano Deore XT FC-M8100 cranks, 175 mm, 1x12, HTII, without derailleur - MTBIKER.shop
Shimano XT M8100 vs Shimano SLX M7100 - BikeRadar
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