Description: High Performance: Headset stem washer has automatic cutting technology, has a smooth edge, fits most mountain road bicycles, has delicate texture, and impact resistance, stable to use For 28.6mm Fork: Carbon fiber spacer fits 1-1/8" road and mountain bicycle stem and forks, helping to raise your handlebar and make your biking more comfortable. Premium Material: The bike headset spacer is made of carbon fiber, is durable, has nice look, is lightweight, has good strength, has good temperature resistance, and can be used long time. Easy to Install: Lightweight and compact, the spacer is very light and easy to install and disassemble. it great replacement gear accessory for bike cycling enthusiasts. Good Components: Headset spacers are good accessories for bike repair and modification. It also can replace ordinary monotonous washers to decor your bikes Specification: Material: Carbon Fiber Size: 34.8mmx28.8mm/1.37inchx1.13inch Package Includes: 1 Bike Headset Spacer Note: Please allow slightly errors due to manual measurement and different monitors.