Shimano SM-RT99 XTR Centrelock Disc Brake Rotor - 140mm

For consistent braking in all weather conditions, SM-RT99 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 CENTRE LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.