Features: 1. Can hold tightly. The bicycle water bottle rack has a fixed fixing device, which can be firmly fixed in place even on fast riding or rugged trails. 2. Durable and highly elastic. The bicycle water bottle rack is made of high-quality materials to ensure its lightness and high elasticity, which is very suitable for road or off-road use. 3. Suitable for most bicycle bottles. The bicycle water bottle arm wrap-around water bottle is suitable for most standard and oversized bicycle water bottles. 4. Simple installation. The bicycle bottle holder is easy to install and can be firmly attached to the bicycle holder without installation. 5. Reduce scratches. The composite bicycle bottle holder is easy to use and is unlikely to scratch the surface of most water bottles. Description: This product is widely used in bicycles, bicycle bottle cages, adjustable mouth design, suitable for most bicycles, ensuring a wide range of applications. Specifications: Material: tough nylon plastic Suitable size: kettle within 8CM Applicable pipe diameter: 1.5-4.2CM Package Included: 1 * Bicycle bottle cage Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.