SHIMANO Ultegra RT-CL800M Brake Disc, Centerlock, Ø 180 mm, incl. lockring (externally splined)

Super-silent and extremely robust: When developing the RT-CL800 disc rotor, SHIMANO paid even more attention to optimal heat dissipation. The goal: Prevent heat-related deformation for even quieter braking – without compromising on weight, stopping power and stability.

For this purpose, the design of the spider was specially adapted, resulting in a more stable construction overall. The proven ICE TECH FREEZA technology also ensures first-class heat management at the friction ring. The sandwich construction with an aluminium core between two stainless steel layers effectively dissipates heat via the integrated cooling fins – for increased resistance against fading and improved braking performance. You can therefore rely on the reliable braking performance of the RT-CL800 brake disc even on long, steep descents.

Details:
• Brake disc with CenterLock mount
• Including externally splined lockring (for thru-axle systems)
• Compatible with a narrow brake pad
• Two-component design for a low weight and high stiffness
• ICE-Tech-Freeza: aluminium core between two stainless steel layers for effective heat dissipation
• Cooling fins on the inside of the friction ring
• Optimised carrier design for low-noise braking
• For organic or sintered brake pads

Technical details:
• Intended use: Road, Gravel, MTB, CX
• Series: Ultegra, DEORE XT, GRX
• Model: RT-CL800M
• Material: Aluminium (carrier), stainless steel (brake disc)
• Rotor Ø: 180 mm
• Brake disc mount: Centerlock
• Compatible brake pad: organic (resin), sintered (metal)
• Weight: approx. 139 g

In the box:
• 1 SHIMANO Ultegra RT-CL800M brake disc, Centerlock, Ø 180 mm (externallay splined)
• 1 lockring (external toothing for Hollowtech II bottom bracket tool)

Manufacturer: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com
Responsible person: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, Netherlands, www.shimano.com