Shimano Dura-Ace RT-CL900 140mm Ice Tech FREEZA Center Lock Disc Brake Rotor

Shimano Dura-Ace RT-CL900 140mm Ice Tech FREEZA Center Lock Disc Brake Rotor

The Shimano Dura-Ace RT-CL900 is a premium disc brake rotor engineered to provide maximum braking performance, quiet operation and advanced heat management for road and gravel racing.

Thanks to Ice Technologies FREEZA, this Shimano brake rotor reduces overheating while improving braking consistency, modulation and brake pad durability.

Ice Tech FREEZA technology

The steel/aluminum/steel sandwich construction with FREEZA cooling fins improves heat dissipation during hard braking.

• Reduced rotor temperatures
• Consistent braking performance
• Reduced brake fade on long descents
• Extended brake pad life

Quiet and high-performance braking

The advanced RT-CL900 rotor design improves braking silence and overall system stability.

• Reduced vibrations
• Quieter braking
• Excellent modulation
• High-level racing performance

High-performance road and gravel rotor

Perfect for modern road disc and gravel bikes.

• Ideal for Shimano Dura-Ace groupsets
• Compatible with Ultegra and 105 groups
• Excellent for racing use
• Lightweight construction

Center Lock mounting system

Compatible with Shimano Center Lock hubs using internal lockring.

• Quick and precise installation
• Shimano Center Lock system
• Internal lockring
• High structural stiffness

Technical Specifications

• Product: Bicycle disc brake rotor
• Brand: Shimano
• Series: Dura-Ace
• Model: RT-CL900
• Shimano code: IRTCL900SSI
• Diameter: 140 mm
• Technology: Ice Technologies FREEZA
• Mount: Center Lock
• Lockring: Internal serration
• Materials: Stainless steel / Aluminum
• Compatibility: Shimano road and gravel disc brakes
• Pad compatibility: Resin and metallic pads
• Use: Road / Gravel
• Color: Silver
• EAN: 4550170897208