Shimano Dura-Ace RT-CL900 Disc Brake Rotor with Lockring - CenterLock, Silver Bike Accessories Brand_CeramicSpeed 4 is a climber with

4 is a climber with an aero edge

Road Inserts Excellent performance in wet conditions

If you're shorter than the recommended sizes for your weight

Throw a dropper post on

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Shimano Dura-Ace RT-CL900 Disc Brake Rotor with Lockring - CenterLock, Silver Bike Accessories Brand_CeramicSpeed 4 is a climber withThe 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 Rotor Type: Two Piece Hub Disc Compatibility: Center Lock Rotor Size (mm): Available in