The pinnacle in stopping power, DURA-ACE SM-RT900 disc brake rotors deliver consistent braking performance for better control and confidence in race conditions. The ICE TECHNOLOGIES FREEZE rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest 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.
Optimally balanced hydraulic brake system for racing
Integrated low-profile caliper design
Easy tool access
Easy wheel replacement
Easy and clean bleeding system
Improved heat dissipation
Designed as optimum balance of hydraulic brake system for racing purpos