Introducing the Shimano Dura-Ace RT-CL900 Disc Brake Rotor, designed to provide quieter control for any terrain. With a strong focus on reducing heat deformation, this disc brake rotor delivers exceptional braking performance while maintaining optimal weight and heat dissipation. Experience a quieter braking experience without compromising on the essential qualities that make your rides safe and efficient. Quieter Performance with Enhanced Heat Dissipation: The Shimano Dura-Ace RT-CL900 Disc Brake Rotor is engineered to deliver a quieter braking experience. By prioritizing heat deformation reduction, it ensures consistent and reliable braking performance without sacrificing weight or compromising heat dissipation. Enjoy a peaceful and controlled ride, even on challenging terrains. Balanced Design for Improved Performance: The Shimano Dura-Ace RT-CL900 features a balanced design that optimizes its weight and heat dissipation properties. This enables the rotor to maintain its performance integrity while offering quieter operation. Enjoy the benefits of enhanced control and responsiveness during your rides, without distractions from excessive noise.