This item is unused. 【Strong Magnetic Fixing Structure】The high-magnetic-force module using strong magnets instantly attracts the bottle. Stable hold even during vibrations. 【Double Lock Design (8 Magnets x 4 Locks)】Dual fixation with magnetic force and mechanical locks achieves zero bottle loss. Thoroughly eliminates the risk of dropping. 【Designed for One-Handed Attachment and Detachment】Can be attached and detached without looking at your hand while riding. Allows for hydration without disrupting your riding rhythm. 【Lightweight & Vibration Resistant】Uses lightweight nylon + GF composite material, providing stability in various riding conditions such as road bikes and cross bikes. With the zero bottle loss structure, there's no need to worry about dropping. 【Compatible Vehicles】Road bikes / cross bikes / MTBs / E-BIKES, etc., standard bottle mount compatible frames. ※ Bottle not included.