This disc brake rotor can make your bike have a good brake and bring safety for your riding， especially suitable for mountain bike. Features:Come with 6 bolts.Compatible for standard 6 bolt pattern.Easy to mount and install.A best accessory for mountain bike.Make your bike have a good brake.Suitable for all bicycles with 160mm 6 bolt pattern.Specifications:Material: Stainless steelPattern: Standard 6 bolt patternSize: 160mm (diameter)Weight: 106g / 3.76ozPackage weight: 120g / 4.26ozPackage List:1 * Bike brake rotor6 * bolt