Shimano GRX RT-CL800 S Disc Brake Rotor with Lockring - 180mm, CenterLock bike storage or descending rapidly

or descending rapidly

thermoformable

ensures maximum ventilation

Walk Mode Single-throw Speed Lock Lite ski/walk lever

The relaxed ride fit and quick-dry finish work across shuttle laps and all-day trail missions alike

Shimano GRX RT-CL800 S Disc Brake Rotor with Lockring - 180mm, CenterLock bike storage or descending rapidlyThe Shimano RT CL800 disc brake rotor is all about keeping your ride quiet and consistent, even when you are dragging the brakes on those long, steep descents. By focusing on reducing heat deformation, this rotor delivers superb braking performance without adding unnecessary weight or compromising heat dissipation. It features a robust new arm shape that further dampens noise, making it one of the quietest options out there for your disc brake setup.