Shimano XT Brakes: Same Great Stopping Power, With a Different Feel [Review] - Singletracks Mountain Bike News
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
Shimano Deore XT BR-M8120 4-Piston Disc Brake Caliper w/ N04C Metal Fin Pads set 192790442655 | eBay