Shimano RT-CL800-S Disc Brake Rotor with Lockring 203mm CenterlockThe Shimano RT-CL800-S Disc Brake Rotor with Lockring is 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. Compatible with Centerlock disc brakes, includes lockring. Available in 140mm, 160mm, 180mm, and 203mm.192790309545
