The Shimano XTR M9120 Disc Brake rear is the most powerful enduro race brake you can possible pop on the back of your race bike. From the forged alloy lever to the titanium hardware, the M9120 also saves as much weight as you can imagine. The cold forged alloy caliper body and reservoir are light, stiff, strong and finished to the highest standards. The XTR M9120 brake's 4 piston ceramic caliper delivers an epic amount of beautifully modulated power, with rapid lever return meaning you can get back on the brakes every time you need them. Ice tech pad technology also keeps things cooler on long descents. Offering faster caliper response time than the competition, the new Shimano XTR M9120 Disc Brake rear gives the edge to enduro racers and trail riders the world over. Shimano M9120 XTR I Spec EV Post Mount Rear Disc Brake Features: Rapid lever rebound between actions Action-optimised cockpit layout & lever shape Machined aluminium lever Cold forged alloy reservoir and caliper body Quicker brake engagement with shorter free stroke 4 piston ceramic caliper Tool free adjustment Rapid lever: caliper response time High-performance brake control High power Titanium hardware Rotor available separately