Features1Carbon Steel Material: The 28T bike chain is made of carbon steel material, which is sturdy and durable, not easily damaged, and can be used for a long time. 2The Optimal Tooth Diameter: The 28T 410 tooth diameter of the bike sprocket makes it an ideal choice for customizing and upgrading bicycles and scooters. 3Quick and Easy Installation: The carbon steel bicycle chainring can be easily and quickly installed on bicycles or scooters, saving you time and energy. 4Performance Improvement: By replacing the old sprockets with these new ones, you can experience higher performance and a smoother riding experience. 5Multifunctional Compatibility: The 28T bicycle sprocke is suitable for various bicycle and scooter models and can achieve multifunctional use.SpecificationItem Type: Bicycle ChainringMaterial: Carbon SteelWeight: Approx. 164g / 5.8ozPackage List1 x Chainring1 x Screw1 x Nut