5pcs/set 10mm Bike Headset Washer Glossy Surface Durable Mountain Bike Front For

Feature: \n 1. Diverse Features: Gasket is light weight, easy to assemble and easy to install, glossy surface, and fine workmanship. 28.6mm / 1.1in internal diameter, 10mm / 0.4in width, 34mm / 1.3in outer diameter.\n2. Manufacturing Material: Made of high quality aluminum alloy material, environmental protection, strong and durable, which can undoubtedly effectively prolong the service life.\n3. Wide Applicability: It is suitable for mountain bike, road bike, fixed gear bicycle and so on with wide range of application.\n4. High Performance: The ability to replace old or damaged bicycle accessories greatly improves the performance of the bicycle, which undoubtedly effectively extends its service life.\n5. Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time. \n\nSpecification: \n\nItem Type: Bicycle Headset Spacer\nWeight: Approx.30g / 1.1oz\nMaterial: Aluminum Alloy\nProduct Size: \nInner Diameter::