Suitable for Most Small Size Bottle Lightweight Strong Nylon Material Easy Installation for Bikes & Motorcycle Strong Structure for Firmly Fixed Suitable for bottle's diameter within 1.97-2.68 inch (5-6.8cm), fit for Small-Sized water bottles, drinks, cans and cups. Applicable pipe diameter size: 0.79-1.1 inch/2-2.8cm. The adapter includes a clamp that fits your bicycle and fastens it to the bicycle by applying pressure to the adapter pad. At the same time, it can ensure a safe gripping point of the bottle and reduce the noise when riding. Many Kinds Flexible Installation Location Our bike water bottle holder set have a clamp suitable for all location of the bicycle, and connector head is 360° rotatable.So you can install it on the front, back, rearview mirror, beam, car bar and more location of the bicycle or motorcycle.Also suitable for mountain bikes, cross-country bikes, touring bikes, motorcycles, electric bicycles or more models. Help Cycling You can easily bring a water bottle when you are riding to play the race, travel, see the scenery, outing, etc.Convenient for your riding and provide you with more water support.When you are thirsty in cycling, you don’t have to look for stores everywhere to buy water, you can use the water bottle in the bottle cage to meet your needs.