Description This bicycle water bottle holder adapter is designed to be mounted on the handlebar or head tube of your bike, providing a convenient and secure place to keep your water bottle. Made from durable materials, it ensures stability and longevity, making it an essential accessory for any cycling enthusiast.-bracket aluminum alloy adapter Features -Color:Black -Material:Alloy -Size:8.30X4.80X1.70cm/3.26X1.89X0.67in -Multifunctional design: can be installed on the bike's base, head tube, and handlebar positions, allowing users to access their water bottle conveniently-bike bottle cage -Adapter design: allows the water bottle holder to be converted into bike equipment accessories as needed, offering more usage options-bike water bottle holder -Crafted: meticulously made to durability and reliability for long term use-water bottle cage adapter -Easy installation: installing the base, head tube, and handlebar water bottle holder is very simple and can be done without professional tools-bike bottle holder no screws -Wide compatibility: suitable for various types of bicycles, including mountain bikes, road bikes, and folding bikes-bottle adapter Easy installation: installing the base, head tube, and handlebar water bottle holder is very simple and can be done without professional tools.-bike bottle cage adapter Durable construction: precision made to durability and long term use.-bike water bottle holder handlebar Convertible holder: the adapter design allows the water bottle holder to be transformed into different bike accessories, enhancing functionality.-bottle cap bracket Flexible mounting options: can be installed on the bike's base, head tube, and handlebar for convenient water bottle access.-water bottle clamp Universal fit: compatible with a wide range of bicycles, such as mountain bikes, road bikes, and folding bikes.-bicycle water bottle