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 Shimano Dura-Ace RT-CL900 S Disc Brake Rotor with Lockring - 160mm, CenterLock, Silver Rotor Type: Two Piece keyword search: Dura Ace Rotor Size (mm): 160 Hub/Disc Compatibility: Center-Lock Disc Pad Compatibility: All Pad Compounds Shimano Dura-Ace RT-CL900 Disc Brake Rotor with Lockring - 140mm, CenterLock, Silver Rotor Type: Two Piece keyword search: Dura Ace Rotor Size (mm): 140 Hub/Disc Compatibility: Center-Lock Disc Pad Compatibility: All Pad Compounds
