1、Easy to Install: The bike disc brake rotor bolt is easy to install. It can be installed with a wrench or adjustable wrench and tightened with proper strength. 2、Alloy Steel: Using high quality alloy steel material, the disc rotor screw is corrosion resistant, durable, and light weight. 3、Multifunctional: The bike disc rotor bolt has powerful function, which is used on bicycle disc rotor. It can also add color to the bicycle, practical and unique. 4、Quantity Guarantee: A total of 12 screws are included in the set to meet your needs. 5、Widely Used: The alloy steel disc rotor bolts are suitable for mountain bikes, road bicycles, fixed gear bikes, etc. Item Type: Bike Disc Brake Rotor Bolts Material: Alloy SteelProduct Weight: Approx. 37g / 1.3oz 12 x Screws