1.DURABLE LIGHTWEIGHT The water bottle cages are designed to be ultra lightweight, made of full 3K carbon fiber and are easy to install. They are incredibly strong and lightweight (only around 22g), non deformable and corrosion resistant. Effectively reduce the weight for long distance travellers; Different bike bottle cage style options are available for different riders. 2.HOLD TIGHT AND LESS SCRATCH Our carbon bike water bottle cages have a secure and sturdy hold that will ensure the bottle stays firmly in place even when riding fast or on bumpy trails. And they are less likely to scratch the finish on most water bottles. 3.FITS MOST STANDARD SIZED WATER BOTTLES This lightweight cycling cage is designed to fit most brands of bike water bottles. Specially designed by a cyclist, it allows easy access to the water bottle while riding. Attach both cages to the bike for maximum hydration. 4.WIDE RANGE OF APPLICATIONS The perfect partner for cycling, the carbon fiber water bottle cage can be used for all types of bikes. Whether riding on trails, the road or competing in triathlons, our water bottle holder will fit the bike.