Description: 【Quality Material】: The Bike Fork Washers are made from aluminum alloy, ensuring durability and longevity 【For 28.6mm Fork】: Suitable for most road bikes and mountain bikes with a fork inner diameter of 28.6mm, Size: 3.4cmx3.4cmx15cm/1.34inchx1.34inchx5.91inch 【High Performance】: This bicycle headset spacer is lightweight and easy to install, used for great height adjustment. With smooth edges and delicate texture, this spacer contributes to greating your bike's setup 【Easy to Install】: The bike stem spacers are light in weight and compact in size, easy to install and disassemble. Great replacement gear accessories for bike cycling enthusiasts 【Good Components】: Bike headset spacer is a good accessory for bike repair and modification Specification: Material: Aluminum Alloy Size Chart: 3.4cmx3.4cmx15cm/1.34inchx1.34inchx5.91inch Package Includes: 1 Bike Headset Spacer Note: Please allow slightly errors due to manual measurement and different monitors.