1、Finely Polished: The bike brake caliper piston adopts excellent 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 premium titanium alloy material, which is corrosion resistant and can be used for a long time.