SHIMANO Rt-M905 6B brake disc

Shimano - 6-Bolt Type - Disc Brake Rotor - Ice Technologies Freeza - 203/180 mm The pinnacle in mountain bike braking, XTR RT-MT905 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. Features: - Delivering superb stopping power, consistency, and control for peak performance in the most challenging riding conditions - Ultimate heat reduction of ICE TECHNOLOGIES FREEZA rotor construction combined with special heat dissipation paint - Dramatically lower surface temperature improves braking performance and consistency (less fade) while reducing system noise and extending pad life - 203 mm RT-MT905 operates 100°C cooler compared with a 220 mm stainless steel disc brake rotor under the most extreme conditions with a more compact design Specifications: - Average weight: 147 (180 mm), 187 (203 mm) - Remarks: With anti loosen tightening plate - 6-bolt (P.C.D. 44 mm): Yes - Ice Technologies: Yes - Ice Technologies Freeza: Yes - Ice Technologies Freeza w/ heat dissipation paint: Yes - Outside diameter (mm) 203: Yes - Outside diameter (mm) 180: Yes - Pad lining shape compatibility - Narrow: Yes Technology: Ice Technologies Freeza: - Ice Technologies Freeza rotors utilize the 3-layer stainless steel-aluminum-stainless steel sandwich structure to reduce heat buildup. The inner aluminum layer extends inward with a wide exposed radiator fin that boosts its cooling capabilities.