Description:Owing to the use of CNC engraving and milling and anodizing process, our product has vibrant color and clear printing. It will not easy to deform and oxidize, which it can be used for a long time.Undoubtedly, our product can be used for a long time because its high hardness while our product can expand freely without being cracked or scratched because there are the space for expansion is reserved. It adopts a unique heat dissipation design to prevent over heating.It is made from aluminum alloy and stainless steel, is durable to use.There are four sizes of the product to choose from.Our product is suitable for bike.Item Name: Bike Floating DiscMaterial: Stainless Steel,Aluminum AlloyFeatures: Fine Workmanship, Rust-proof, Vibrant ColorHole Distance: The distance to the center of the hole is 44mmSpecifications: 140mm, 160mm, 180mm, 203mmColor: Black, Red, Blue, GoldSize Details: 140mm Diameter: 14cm/5.51" (Approx.)160mm Diameter: 16cm/6.3" (Approx.)180mm Diameter: 18cm/7.09" (Approx.)203mm Diameter: 20.3cm/7.99" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:6 x Screws1 x Bike Floating Disc