Shimano Dura-Ace (RT-CL900) Ice-Tech Freeza (Internal) CenterLock  brake rotor

Quieter control for any terrain

With a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake performance without sacrificing weight or heat dissipation.

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FEATURES
Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation
The new arm shape is more robust, leading to quieter operation
Heat dissipation paint boosts performance