Description: 【Waterproof Matte Finish】: The stem riser features an anodized sandblasted matte finish, enhancing both its durability and aesthetic . With size 18 cmx2.86 cm/7.09 inchx1.13 inch 【Adjust Height】: With a 13 cm/5 in adjust height, this stem extender allows you to customize your bike setup to match your riding for optimal comfort 【High Strength Aluminum Alloy】: Constructed from high strength aluminum alloy, this bike stem riser extender offers a great balance of durability and lightweight performance 【Easy Installation】: Designed for simplicity, the bicycle handlebar raiser adapter includes a locking mechanism and stainless steel hex screw to ensure secure and convenient adjustments 【Universal Compatibility】: The fork clamp diameter of the bike fork stem extender is universally designed to be suitable for most bicycles, making it a versatile addition to your cycling gear Specification: Material: Aluminum Alloy Size Chart: 18 cmx2.86 cm/7.09 inchx1.13 inch Package Includes: 1 Bike Stem Riser Extender Note: Please allow slightly errors due to manual measurement and different monitors.