Shimano Dura-Ace RT-CL900 Disc Brake Rotor with Lockring - 140mm - CenterLock

The Shimano RT-CL900 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
• Heat dissipation paint boosts performance
• Includes lock ring with internal serration