DOM Monkii Cage V - Bike Water Bottle Cage, Lightweight & Size-Adjustable Super lite: only 36g / 0.08lb No scratching of bottles: protect your beautiful bottle paint Easy installation: only two cleats on the tube required No interfere with folding system of folding bikes One fits all: holds any size bottle (Sigg, STANLEY, Swell, Klean Kanteen, Nalgene, Themos, LifeVenture, Standard bottle cages and more)