evo.com | Shimano Rotors > Bid farewell to squeaky brakes with the Shimano RT-CL800 Disc Brake Rotor. These rotors are built for superior heat dissipation and consistent braking performance on long, steep descents. A newly engineered arm shape adds strength and robustness for whisper quiet performance on the roads less travelled. Compatible With Shimano Centerlock Wheels Ice-Tech Freeza Braking Technology Cooling technology for consistent performance. Stainless Steel Braking Surface Aluminum Spider Core | Shimano RT-CL800 Disc Brake Rotor 2026 - 180mm | Aluminum