Shimano RT-CL900 Disc Rotor Dura-Ace Center Lock External Serration, 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.

FEATURES

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

PRODUCT SPECIFICATIONS

Model No: RT-CL900
Series: Dura-Ace R9200 Series
Center Lock: Yes
Ice Technologies: Yes
Ice Technologies Freeza: Yes
Ice Technologies Freeza w/ heat dissipation paint: Yes
Pad lining shape compatibility|Narrow: Yes