Shimano RT-CL800 Center Lock Brake Rotor for Ultegra w/ Internal Teeth

Shimano RT-CL800 Brake Rotor - Ice-Tech FREEZA for Ultegra and other brakesShimano has developed the RT-CL800 Center Lock brake rotor especially for the Ultegra BR-R8170 road bike disc brake. It is also very suitable for the GRX Gravel brakes. Apart from t