Features1Durable and Long Lasting: The bike headset spacers are crafted from aluminum alloy material, ensuring wear and impact resistance for long term durability. 2Eye Catching Appearance: The colorful exterior of the bike headset spacers adds personality to your bike. With smooth edges and a fine texture, they are both visually appealing and lightweight, enhancing the overall aesthetic of your beloved ride. 3Comprehensive Spacer Set: The package includes four 10mm/0.4in spacers and one 5mm/0.2in spacer, catering to the majority of usage requirements for various bike types. 4Versatile Compatibility: With an inner diameter of 28.6mm/1.1in, the spacers are suitable for most bikes, including mountain bikes, road bikes, folding bikes, touring bikes, fixed gear bikes and more. They provide a versatile solution for your bike customization needs. 5Complete Set Package: Each set of bike headset spacers includes five spacers, one screw, one headset star nut, and one top cap, providing you with all the necessary components to upgrade your bike headset.SpecificationItem Type: Bike Headset SpacersMaterial: Aluminum alloyWeight: Approx. 64g/2.3ozSpacer Height: Approx. 10mm/0.4in, 5mm/0.2inSpacer Inside Diameter: Approx. 28.6mm/1.1inPackage List5 xHeadset Spacers1 x Screw1 x Headset Star Nut1 xStem Top Cap