Shimano XTR SM-RTMT900 Center Lock Disc Brake Rotor

Shimano XTR SM-RTMT900 Center Lock Disc Brake Rotor 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. High-performance and consistent brake performance Stable and versatile brake performance in the most demanding conditions New ICE TECHNOLOGIES FREEZA construction for boosting heat dissipation Surface temperature cooled by -20°C (vs RT99, 203 mm) Rotor size: 140 mm, 160 mm, 180 mm, 203 mm Specifications Model No. RT-MT900 Series XTR M9100 Series Average weight 147g (203 mm) / 131g (180 mm) / 108g (160 mm) / 89g (140 mm) Ice technology Yes Ice technology Freeze (Radiator fin) Yes Alloy lock ring Yes Center Lock Yes Outside diameter 140mm Yes Outside diame