About this projectDurable and LightweightThe bicycle bottle cage is made of heat-treated high-strength aluminum alloy material, which is rust-proof, durable, strong and lightweight, and does not deform, it is the perfect equipment for your outdoor riding. In addition, the bike bottle cage mount weighs only 33 grams, which is very lightweight and will not put any burden on your bike.FITS FOR MOST STANDARD SIZED WATER BOTTLESOne-piece bottle cage design ensures its safety and coordination, and the flexible metal material can easily adjust the size to fit most standard and oversized bikes and water bottles, including the following sizes: 20, 21, 25 , 24, 25 and 33 oz (500, 550, 650, 750 and 950 ml).Premium QualityOur exquisitely finished bottle cages have a very smooth surface that won't scratch your bottle. Painted surface, sanded edges, smooth screw holes. Perfect for road, mountain, hybrid, touring, triathlon and e-bikes and will hold your bottle firmly, lightweight and beautiful, 4 different gradient colors to choose from to make your cycling trip less monotonous .Easy to InstallBike bottle cage comes with 2 standard size screws for installation. Designed mounting holes allow fine-tuning of the position on the frame. You can easily install and replace your bottle cage in 60 seconds.