Shimano Ultegra RT-CL800 Ice Tech Freeza Brake Rotor 140mm Center Lock Internal

The Shimano Ultegra RT-CL800 brake rotor in 140mm is designed for road and gravel riders who want consistent braking even on long descents. It fits Center Lock hubs and includes the lockring.

• Consistent braking on long descents thanks to the 2-piece Ice Technologies FREEZA construction
• Lightweight: a claimed 96g, useful if you want to reduce the weight of your road or gravel bike
• Stainless steel braking surface, aluminium core and fins to dissipate heat
• Internally splined lockring included, for 9/10mm quick-release and 12mm thru-axles
• For Center Lock hubs only; 15mm or 20mm thru-axles require an externally splined lockring

Technical specifications

• Model: RT-CL800 Ice-Tech FREEZA, Center Lock, internal splines (IRTCL800SSI)
• Diameter: 140mm
• Thickness: 1.5mm
• Material: Stainless steel braking surface, aluminium core and fins; 2-piece Ice Technologies FREEZA construction
• Weight: 96g (claimed)
• Mounting: Center Lock; with the included lockring: 9/10mm quick-release and 12mm thru-axles
• Compatibility: Center Lock hubs only; hubs with 15mm or 20mm thru-axles require an externally splined lockring (sold separately)
• Brake pads: Resin or metal
• Box contents: Brake rotor and internally splined lockring
• Intended use: Road bikes, gravel bikes and compact disc brake setups; consistent braking on long descents

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.