Shimano Brake disc with internal spline locking ring with magnet RT-CL900 Center Lock Ice Technoligies Freeza

• ・Silter 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, which offers quieter operation
• ・The heat dissipation paint improves performance
• ・Brake disc size: 140mm, 160mm

Features

With the reduction of heat deformation, the new brake disc offers more efficiency, less noise, and without sacrificing weight or heat dissipation.