The Shimano BR-8120 Deore XT Hydraulic Disc Brake Rear is designed to provide high performance braking for a variety of MTB riding styles. This brake includes the brake lever and disc brake caliper, and is pre-bled. The BL-M8100 features a stiffer brake lever design that provides added support for aggressive riding. Servo Wave Action technology means quicker brake engagement with shorter free stroke.
The BR-M8120 4-piston caliper is designed for tough enduro trails and includes finned metal pads and hose. This brake is perfect for those who want to take their mountain biking to the next level and need a reliable and powerful braking system.