The Shimano SM-RT86 DEORE XT 180 mm Disc Brake Rotor delivers consistent brake performance so you can take on the steepest downhill stretches. Its Ice Technology not only gives you consistent performance but also significantly reduces heat build-up in the brake system. The DEORE XT SM-RT86 is equipped with a 3-layer, sandwich-structured clad rotor blade that has been designed for mud shedding. Although being super lightweight, its heat resistance is top notch which results in less fade, less noise and longer pad life. Take your bike to the next level with the Shimano SM-RT86 DEORE XT 180 mm Disc Brake Rotor!