The aluminum alloy bottle cage adapter offers a robust solution for cyclists needing extra hydration options on the go. - Durable Material : Constructed from high-strength aluminum alloy, this adapter features a smooth surface for added sturdiness and longevity, ensuring it resists deformation and damage during rides. - Double Bottle Mount : The multifunctional design includes two water bottle holders, enabling you to carry gas cylinders or two water bottle cages simultaneously, ideal for long rides or extended trips. - 360-Degree Rotation : The adjustable bracket rotates a full 360 degrees, allowing you to easily customize the installation position for optimal access, making it a breeze to install and remove. - Easy Installation : Compatible with a variety of setups, it mounts seamlessly to seat tubes, bent handlebars, and straight handlebars. It can be directly locked onto your seat post to securely attach two bottle cages. - Size Compatibility : Designed to fit handlebars with a diameter of 21 to 31.8mm (0.8 to 1.3 inches), this adapter is versatile enough for various bicycles, including mountain bikes, road bikes, and folding bikes. Use Scenarios : - Perfect for long-distance cyclists who need extra hydration support during endurance rides. - Great for commuters needing to carry a water bottle alongside a nutrition bottle when cycling to work. - Ideal for recreational cyclists looking to carry multiple drinks on leisurely rides or biking adventures. This bottle cage adapter is the practical choice for cyclists looking to enhance their riding experience with reliable hydration options.