Folding bike frame color-Shimano RT-CL900 Disc Rotor - Internal Spline Type

The Shimano Center Lock 900 Rotor is a Dura-Ace component that helps you brake with confidence and near silent operation on any terrain. This rotor focuses on heat dissipation, making it quieter and stronger than ever. Long and steep descents can be taken with more confidence. It features a new and more robust arm shape to further reduce noise. The Shimano Center Lock Rotor with an internal spline is a great way to boost your braking performance on any surface.