Designed for convenience, this bike water bottle holder can be easily attached to your bike's seatpost or handlebars. Its adjustable mounting base allows for a proper fit, ensuring your water bottle stays in place even on rough terrains. Ideal for mountain biking, road cycling, and electric scooter rides, it keeps hydration within easy get. Features -Color:Black -Material:Aluminum Alloy -Size:7.60X5.50X1.30cm/2.99X2.16X0.51in -hardwearing material: crafted from strong aluminum alloy, this bottle cage adapter is designed to be lightweight yet incredibly durable, great for longterm use - : the adapter features a that allows for easy and quick installation, providing convenience for riders -Multipurpose use: ideal for mountain bikes and electric scooters, this adapter can be used in various scenarios, making it a versatile addition to your gear -Secure bottle holder: the bumper cup holder design ensures your water bottle stays secure during your ride, preventing spills and drops -Improved functionality: enhance the practicality of your bike with this bottle cage adapter, making it easier to stay hydrated on the go Package list: 1 cup holder converter