The water bottle holder adapter for bikes is easy to install and requires no special tools. Simply attach it to your bike's handlebar or head tube, and you're . Its adjustable design accommodates various bottle sizes, making it a versatile addition to your cycling gear. Stay hydrated and enjoy your ride with this convenient adapter. Features -Color:Black -Material:Alloy -Size:8.30X4.80X1.70cm/3.26X1.89X0.67in -Flexible mounting options: can be installed on the bike's base, head tube, and handlebar for convenient water bottle access -Transformable holder: the adapter design allows for conversion into various bike accessories, offering multiple uses -Durable construction: precision made to durability and long term use -Effortless installation: the water bottle holder can be installed quickly and easily without special tools -Wide range of use: suitable for various bicycle types, including mountain bikes, road bikes, and folding bikes Package list: 3 Bottle Cage Adapter