Shimano SM-RT86 Ice-Tec Disc Rotor -180mm. Boost your braking power. These new Shimano rotors help shed weight and heat to prevent power fade. The Ice-Tec technology sandwiches a layer of alloy between two layers of steel for better performance and weight savings. Pair this rotor with a set of Ice-Tec pads for the ultimate in disc brake performance.
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