To install the holder on your bike, first, use the included bracket to securely mount it on either the frame or the handlebars. The holder is designed to fit most standard water bottles, providing a convenient and reliable solution for staying hydrated while cycling. Whether you're riding a mountain bike, an electric bike, or a standard bicycle, this holder is versatile and durable, making it an essential accessory for any cyclist. Features -Color:Black -Material:Aluminum alloy -Size:22.00X19.00X7.80cm/8.65X7.47X3.07in -Wide compatibility: designed to fit a range of vehicles including motorcycles, bicycles, electric scooters, and mountain bikes, offering great versatility -Robust construction: crafted from high strength materials, this holder is built to endure heavy loads and intense vibrations, ensuring performance -Quick access: allows you to quickly and easily access your water bottle, can stay hydrated without stopping your ride -Elegant appearance: boasts a stylish and minimalist design that complements the look of your vehicle, adding a touch of sophistication -Simple setup: installation is straightforward and can be done without tools, making it easy for anyone to set up Package list: 2 bottle cage