Shimano RT-CL900 Disc Brake Rotor Centerlock

The Shimano RT-CL900 disc brake rotor provides quiet and consistent braking control for any terrain. It features excellent heat dissipation for consistent braking performance on long steep descents. The rotor uses a robust arm shape designed for quiet operation without sacrificing weight or heat dissipation. Heat dissipation paint boosts overall performance. The rotor includes a lock ring with internal serration for secure mounting.