Adaptive Cup Size Accessories: The flexible lattice structure automatically adjusts to various cup diameters, providing a safe grip for different bottle sizes without the need for multiple holders. Automatic Clamping Mechanism: Ensure secure bottle placement with the screw fastening system that minimizes vibrations and prevents accidental displacement, even on rough terrains. 360 Degree Rotation Feature: Enjoy optimal access to your drink by adjusting the bottle's orientation at any angle, preventing spills and enhancing hydration efficiency in compact spaces. Ventilation Geometric Design: The honeycomb pattern enhances structural integrity and promotes airflow around the bottle, keeping drinks cooler by reducing heat retention during outdoor activities. Great Bike Accessory: Ideal for long-distance rides or daily commutes, this adaptive bottle holder is a must-have bike accessory to stay hydrated and hands-free while cycling. Description: Introducing the water bottle holder with an automatic clamping mechanism for secure installation on standard bicycle frames. The screw fastening system ensures a quick and easy setup, providing a stable grip even on rough terrains. Say goodbye to accidental spills with the 360-degree rotation feature that allows you to adjust the bottle's orientation for easy access at any angle. Designed with adaptive cup size accessories, this bottle holder can accommodate various bottle diameters, eliminating the need for multiple holders. The flexible lattice structure automatically adjusts to securely hold different water bottle sizes in place. The ventilation geometric design with a honeycomb pattern enhances structural integrity while promoting airflow around the bottle, keeping your drinks cool during outdoor activities. This versatile bike accessory is perfect for long-distance rides or daily commutes, offering convenience and hydration on the go. Upgrade your cycling experience with the Adaptive Bike Bottle Rack and enjoy hands-free hydration wherever your bike takes you. Item Name: Water Bottle Holder Material: Plastic Features: 360 Degree Rotatable, Automatic Clamping, Adaptive Size Details: Length: 16.5cm/6.5" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Water Bottle Holders