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 BR-M8020 DEORE XT Hydraulic Disc Brake 4-Piston Caliper for sale online | eBay
Hands On Bike: Bike Friday HaD: Deore XT 4 Piston Brake Components
Shimano XT BR-M8120 4-Piston Front & Rear Disc Brake Set | Bikecomponents.ca
Shimano Saint, Zee, XT, SLX, Deore 4-Piston Brake Pads | Miles Racing