Description: Adaptive cup holder: Adopting a flexible grille structure, it can automatically adjust to various cup diameters, ensuring safe grip for different water bottle sizes. This provides convenience for cyclists who frequently change bottles during cycling. 360 degree rotation function: The bracket adopts a fully rotating mechanism design, allowing users to adjust the bottle direction at any angle and positioning flexibly Good stability: The clip design is easy to install, and even on rough surfaces, the automatic tightening system can firmly fix the bottle in the appropriate position, reducing vibration and preventing accidental displacement during high-speed driving. Geometric pattern design: not only increases the integrity of the structure, but also promotes for airflow around the bottle. This ventilation system helps maintain the temperature of beverages by reducing heat retention, keeping them cool for longer periods of time during outdoor activities. Widely applicable: Suitable for outdoor transportation such as motorcycles, bicycles, electric bicycles, etc., it can easily fix your water cup, and at the same time, it is easy to take and can also be well fixed in place during the riding process Specification: Color: black,white,olive green. Material: Plastic. Size: Approx 16.5*8.5cm/6.50*3.35inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Adaptive Cycling Bottle Holder*1