Automatic Clamping Mechanism: Secure your water bottle with ease using the adaptive bicycle bottle rack's automatic clamping mechanism. The screw fastening system ensures quick and secure installation on standard bicycle frames, providing a stable hold even on rough terrains. Say goodbye to vibrations and accidental spills during high-speed rides. 360 Degree Rotation Feature: Enjoy unparalleled convenience with the adaptive circulating bottle holder's 360-degree rotation capability. Easily adjust the bottle's orientation at any angle for quick access, ideal for compact spaces and preventing spills while enhancing hydration efficiency on the go. Adaptive Cup Size Accessories: Experience versatility like never before with the adaptive bottle holder's flexible lattice structure that automatically adjusts to various cup diameters. Say goodbye to multiple holders as this innovative design ensures a secure grip for different water bottle sizes, perfect for cyclists who frequently switch bottles during their rides. Ventilation Geometric Design: Stay refreshed during your outdoor adventures with the honeycomb-patterned upper part of the adaptive bottle holder. This unique design not only enhances structural integrity but also promotes airflow around the bottle, keeping your drinks cooler by reducing heat retention. Enjoy your favorite beverages at the perfect temperature while staying active. Great Bike Accessories: Adaptive bicycle bottle holders are an indispensable bicycle accessory, perfect for long-distance cycling training courses or daily commutes. Stay hydrated and keep your hands free, while cycling must be added to your cycling gear. 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 vibrations and accidental spills during high-speed rides. Enjoy the convenience of the 360-degree rotation feature, allowing you to adjust the bottle's orientation at any angle for easy access. Perfect for compact spaces, this feature prevents spills and enhances hydration efficiency on the go. Designed with adaptive cup size accessories, this bottle holder can accommodate various bottle diameters with its flexible lattice structure. No need for multiple holders – enjoy a safe grip for different water bottle sizes effortlessly. The ventilation geometric design of this bottle holder features a honeycomb pattern that enhances structural integrity while promoting airflow around the bottle. Keep your drinks cool and refreshing during outdoor activities with this innovative ventilation system. A must-have bike accessory for long-distance rides or daily commutes, the water bottle holder is essential for staying hydrated while keeping your hands free. Upgrade your biking experience with this versatile and practical addition to your gear collection. Item Name: Water Bottle Holder Material: Plastic, Alloy Style: A: Handlebar Mount, B: Rearview Mirror Mount Features: 360 Degree Rotatable, Automatic Clamping, Adaptive Size Details: Length: 17cm/6.69" (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: 1 x Water Bottle Holder