Brake rotor Shimano RT-MT900 Ice-Tech Freeza, w/Lock Ring

The pinnacle in mountain bike braking, SHIMANO XTR RT-MT900 disc brake rotors deliver superb stopping power for the most aggressive riding. The ICE TECHNOLOGIES FREEZA rotors dissipate heat to maintain braking performance on long downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.