Shimano Rotor RT-CL900 Center Lock Ice-Tech Freeza 140mm Brake DiscWith a focus on decreasing disc thermal deformation, the result of the new disc brake is quieter performance without sacrificing weight or heat dissipation. Quieter control for any terrainShimano RT-CL900 brake disc , with Center-Lock mount and Ice-Tech Freeza technology for optimal cooling. This Shimano brake rotor features a focus on decreasing rotor thermal deformation, resulting in quieter performance without sacrificing weight or heat dissipation.CHARACTERISTICS

• Quieter than ever, yet consistently superb braking performance on any long, steep descent thanks to excellent heat dissipation
• The new shape of the arm is more robust, allowing for quieter operation

• Heat dissipating paint increases performance
• Brake Disc Size: 140mm