Shimano GRX RT-CL800 S Disc Brake Rotor with Lockring - 140mm, CenterLock, Silver

The Shimano RT-CL800 disc brake rotor provides quiet and consistent braking control for any terrain.

• Consistent braking performance on any long, steep descent thanks to excellent heat dissipation
• Robust arm shape for quiet operation without sacrificing weight or heat dissipation
• 1.5mm thickness
• Includes lock ring with internal serration