Features: Engineered for precises bike headsets adjustment, these 1 5mm metal spacers eliminate frame to headsets mismatches caused by wear or measurement errors, ensuring smoother rides and reduced vibrations. Crafted from high strength metal with 30% increased hardness compared to rubber alternatives, these durability spacers resist wear during frequent cycling while maintaining structural integrity. Ideal for road cyclists, mountain bikers, and craft enthusiasts who value effortless component customization without professional tool or technical expertise. Perfect for eliminating handlebar wobble during high speed descents or rough terrain rides, while maintaining steering precisions during daily commutes. Universally compatibility with international standard road and mountain bikes, these headsets spacers enable quick installation and seamless integration with existing components for optimized bike performances. Specifications: Dimension:4.4×2.86cm/1.13×1.73in Component:Metal Package Includes: 1pc Bicycles headsets Spacer note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.