Compatibility: It can be installed on a standard size handlebar (25.4mm), with a maximum size of 31.8mm. Featuring double clamps, it significantly enhances driving safety. High-quality materials: The bicycle extension frame is crafted from premium aluminum alloy, providing a smooth, corrosion-resistant, and durable product. Bicycle handlebar extension size: 22.2mm * 200mm / 0.87 * 7.87in (D * L). Application: Ideal for your bicycle handlebars, offering additional storage space for your bicycle lights, GPS, or phone, etc. Easy to install: The turnbuckle is robust. Utilizes high-quality screws for double protection. The bicycle handlebar extension bracket comes with a hexagonal wrench, making installation, usage, and adjustments hassle-free. Package includes: 1 x 20cm aluminum alloy bicycle handlebar extension; 2 x aluminum alloy brackets; 1 Allen key. (Please verify the size of your bicycle handlebar before adding the item to your shopping cart.)