Shimano Rt-cl800 Lock Interno With Magnet Brake Disc

A Focus On Decreasing Disc Brake Rotor Heat Deformation, The Result Of The New Disc Brake Rotor Is Quieter Than Ever Brake Performance Without Sacrificing Weight Or Heat Dissipation.Features:- Quieter Than Ever, But With Superb, Consistent Braking Performance On Any Long, Steep Descents Thanks To Excellent Heat Dissipation- The New Arm Shape Is More Robust, Leading To Quieter OperationSpecifications:- Series: Ultegra R8100 Series- Average Weight: 114 (160 Mm) 96 (140 Mm)- Ice Technologies: Yes- Ice Technologies Freeza: Yes- Center Lock: Yes- Outside Diameter_140 Mm: Yes- Outside Diameter_160 Mm: Yes- Pad Lining Shape Compatibility_Narrow: YesTechnology:Ice Technologies Freeza: - Ice Technologies Combined With Freeza Disc Brake Rotor Construction Rapidly Dissipates Heat For More Consistent Braking Performance In Extreme Conditions, Longer Pad Life, And Less Brake Fade And Noise.- Lightweight Clad Rotors With Heat Dissipating Paint On Exposed Aluminum Layer Segments Provide Superior Cooling, Consistent Brake Performance, And Lighter Operation Under All Conditions.- Clad Brake Rotors With Aluminum/Stainless Fins Support Rapid Heat Dissipation Which Helps Reduce Maintenance, Provide Longer Pad Life, And Create Less Brake Fade And Noise.Center Lock:- The Center Lock System Makes An Easy Rotor Installation Possible With Spline Mount And A Lock Ring. The Lock Ring Mounting System Reduces The Total Working Hours By Shortening The Amount Of Time Of Both Installation And De-Installation. In Addition, The Secure Fixing By The Spline Mount Enhances Precision And Rigidity While Improving Braking Efficiency.