Shimano Brake disc with locking ring external spline RT-CL800 Center Lock Ice Technoligies Freeza

• ・More silent than ever, but with superb, consistent braking performance on all long, steep descents, thanks to excellent heat dissipation
• ・The new arm shape is more robust, offering quieter operation
• ・Brake disc size: 140 mm, 160 mm

Features

Thanks to reduced heat deformation, the new brake disc offers greater efficiency, less noise, and without sacrificing weight or heat dissipation.