- High-Strength Material: Constructed from durable aluminum alloy, this bottle cage adapter features a smooth surface that enhances sturdiness and prevents deformation, ensuring long-lasting use. - Double Bottle Capacity: This multifunctional adapter accommodates two water bottle holders or gas cylinders, allowing you to carry extra hydration or fuel for your adventures. - 360-Degree Rotatable Design: The bracket can be easily rotated 360 degrees, providing flexibility to find the perfect installation angle. This feature simplifies the process of attaching and detaching the adapter. - Versatile Installation: Designed for easy installation on various bike types, including mountain bikes, road bikes, and folding bikes. It mounts securely to seat tubes, bent handlebars, and straight handlebars, locking directly on the seat post to support two bottle cages with confidence. - Compatibility: Fits handlebars with a diameter of 21 to 31.8 mm (0.8 to 1.3 inches), making it a universal solution for most bikes. Use Scenarios: 1. Long Rides: Perfect for cyclists on extended tours who need to stay hydrated and fueled on journey, this adapter allows carrying additional water bottles or gas cylinders effortlessly. 2. Commuting: Ideal for daily commuters who require reliable hydration options. Easily attach your bottles for quick access while navigating through the city. 3. Mountain Biking: Great for off-road enthusiasts who need extra water or supplies on the trails, ensuring you have everything you need without compromising performance. Choose this aluminum alloy bottle cage adapter for its durability, practicality, and compatibility with a wide range of bicycle models.