Features: Upgrading your hydrations with our bicycles bottle cage adapter, crafted from aluminum alloy for durability and rusts resistance, allowing easy installation of bottle cage. Perfect for city commuting, biking adventure, and long distances cycling, offering convenient access to your water bottles in any cycling environment. Its design not only enhances the aesthetic appeal of your bike but also adds practical functionality, making it a must having bicycles accessory. Ideal for road cyclists and mountain biking enthusiasts, especially those embarking on long distances cycling or requiring frequent hydrations. This adapter boasts strong compatibilities, fitting various bike models while ensuring stability and security to prevent bottle drop. Specifications: Materials: Aluminum Alloy Color Optional: 4 Color are Available as Shown in the Picture. Package Weight: approx.38g Size: approx.75x33x3mm/2.95x1.29x1.18in Package Includes: 1Pc Bicycles Water Bottle Extension Cage Adapter note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!