Features： 1、Finely Polished: The bike brake caliper piston adopts manufacturing process, and the surface is finely polished to ensure strength and improve fastening reliability. 2、Portable: The bicycle disc brake caliper piston has good performance and lightweight, which is easy to carry and store, and the brake caliper piston is easy to use. 3、Easy to Install: This bike brake caliper piston replacement adopts compact size design, which is convenient for you to install and remove, saving your time and effort. 4、With Sealing Rings: This mountain bike brake caliper pistons are equipped with sealing rings. The set can be used to replace the original old or damaged parts. 5、Titanium Alloy Material: The road bike brake caliper piston is made of titanium alloy material, which is corrosion resistant and can be used for a long time. Specification： Item Type: Bike brake caliper piston Material: Titanium alloy Weight: Approx. 18g/0.6oz Applicable: 1. Mountain bikes for SLX series for M675 M7000 M7100 caliper; 2. Mountain bikes for XT series for M785 M8000 M8100 caliper; 3. Mountain bikes for XTR series for M9020 M9000 M9100 caliper; 4. Road bikes for R7070 R8070 R9170 RS785 RS805 caliper Product Size: Piston: 22x9mm/0.9x0.4in Sealing Ring: 26x2x2mm/1x0.08x0.08in Package List： 2 x Piston 2 x Sealing Ring