Shimano Dura-Ace RT-CL900 Rotors (160mm & 140mm Set)

During the development of the Dura-Ace CL900 brake rotors, Shimano engineers succeeded in preventing heat-induced warping. As a result, the CL900 rotors offer more reliable, better-modulated braking performance and are quieter than ever before. The weight has been pleasingly maintained at the low level of the previous version.
Shimano's Ice-Tech cooling technology is also included, ensuring excellent heat dissipation and consistent braking performance, even on long, steep descents. The brake rotors feature a three-layer sandwich construction. Their stainless steel outer layers with an aluminum core offer significantly improved heat dissipation, reducing the temperature by approximately 100°C. Additionally, the FREEZA aluminum cooling fins further reduce the system temperature by about another 50°C thanks to their increased surface area. Heat dissipation is further enhanced by a special surface coating. The improved heat dissipation allows for the use of smaller brake rotors than usual. Furthermore, the brake pad lifespan is significantly extended.
As is typical for Shimano, the discs are compatible with Center Lock mounts, which allow for quick and easy installation, offer a secure hold, and ensure a clean and compact look.


Technical specifications:

Brake surface material: Stainless steel
Spider material: Aluminum
Design: Two-piece
Disc mount: Center Lock
Diameter: 140 mm 160 mm
Thickness: 1.75 mm
Friction ring width: 15 mm
Recommended brake pads: Resin or metal
Technology/Features: ICE TECHNOLOGIES, ICE TECHNOLOGIES FREEZA
Color: Silver, black

Weight according to manufacturer: 140 : 96 g 160 : 114 g


Scope of delivery:
1x SHIMANO Dura Ace brake disc Center Lock RT-CL900 | 140 mm IceTech FREEZA
1x SHIMANO Dura Ace brake disc Center Lock RT-CL900 | 160 mm IceTech FREEZA
2x Center Lock ring with internal tool recess