Shimano brake disc 160mm centerlock RT-CL800 Ice Tech. The Shimano RT-CL800 Center Lock brake rotor is the ultimate choice for riders looking for powerful, quiet and stable braking. Designed with a construction that minimises thermal distortion, it delivers consistent performance, even on the longest descents. The reinforced arm structure increases durability and reduces vibrations, ensuring more comfort and silence. Thanks to ICE TECHNOLOGIES, heat is efficiently dissipated, while the brake rotor remains lightweight. SB-packed, Center Lock, Ice Technologies Freeza, for Resin/Metal brake pads, with Lockring Art Article Construction two-piece mounting Center Lock (splined) diameter 160.0 mm features with cooling technology Ice-Tech main colour silver secondary colour black