Description: 【Quality Material】: Crafted from ceramic and rubber, the brake piston is designed to withstand high temperatures and provide reliable performance for your bicycle's hydraulic braking system 【Proper Fit】: With dimensions of 22mm x 8.7mm, the piston is specifically to fit for M6000, M675/M7000/M7100, M785/M8000/M8100, M9020/M9000/M9100, and others 【Enhanced Braking Performance】: Upgrade your bike's braking system with the ceramic piston that offer improved heat dissipation and consistent braking power for a secure riding experience 【Versatile Compatibility】: The brake piston suitable for R7070, R8070, R9170 RS785 RS80, ensuring broad usability across different bike setups 【Package Includes】: With a brake piston ready to be installed in your bicycle's hydraulic caliper for enhanced performance and reliability on the road or trail Specification: Material: Ceramic Rubber Size Chart: 2.2cmx8.7mm/0.87inchx0.34inch Package Includes: 1 Ceramic Piston Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.