Shimano RT-CL800 Disc Rotor 160mm ICE-TECH Centerlock Internal Serration w/Lockring

With a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake performance without sacrificing weight or heat dissipation. 

Features:

• Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation
• The new arm shape is more robust, leading to quieter operation
• Disc brake rotor size: 140 mm, 160 mm, 180 mm, 203 mm