Product name:Water Bottle Cup Cage Mount HolderProduct size about : 8.5cm/3.3inProduct color: As shown in the figureAperture: 2-2.5cm/0.7-0.9infor Standard water bottle cageProduct material:Aluminum Alloyproduct features:1. Versatile design: This bottle cage conversion base is a bicycle bottle cage accessory that can be used with all standard bottle cages, providing a wider range of adaptability, allowing you to easily install more bottles on your bicycle.2. High-quality materials: Made of aluminum alloy, it ensures that the product has good strength and durability, is not easy to deform or damage, and provides you with a long-term and reliable use experience.3. Easy installation: The design is simple and easy to use, and it can be easily installed without complicated tools. It is convenient and fast, allowing you to complete the installation in a short time and enjoy the fun of riding at any time.4. Stable and reliable: The base conversion design effectively increases the stability of the bottle cage, prevents the bottle from shaking or falling during riding, and ensures that your water bottle is always safely fixed on the bicycle.5. Multi-scenario use: Not only suitable for cycling, but also can be used for various outdoor sports and activities, such as mountaineering, hiking, etc., adding more convenience and comfort to your life.Precautions:1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images.2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only.Shipment includes:1/3 pc Water Bottle Cup Cage Mount Holder