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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 Freeza 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.

Technology

Ice Technologies - The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride for instance, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realize the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminum and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight.

Center Lock - The Center Lock system makes an easy rotor installation possible with spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency.

Features

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 purpose
Light weight as racing components
Better control and confidence in race conditions
Simple set up and maintenance
Powerfully integrated brake performance

Specifications