Compatibility: It can be installed on a normal size handlebar (25.4mm), the maximum size is 31.8mm. With double clamps, it greatly improves driving safety. High-quality materials: The bicycle extension frame is made of high-quality aluminum alloy material, which is smoother, corrosion-resistant and durable. Bicycle handlebar extension size: 22.2mm * 200mm / 0.87 * 7.87in (D * L) Application: Suitable for your bicycle handlebars, adding extra storage space for your bicycle lights, GPS or phone, etc. Easy to install: the turnbuckle is durable. Use high-quality screws, double protection. The bicycle handlebar extension bracket is equipped with a hexagonal wrench, which is easy to install, use and adjust. Package includes: 1 x 20cm aluminum alloy bicycle handlebar extension; 2 x aluminum alloy bracket; 1 Allen key. (Please check the size of your bicycle handlebar before adding the bicycle to the shopping cart.) About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.