Perfect fit This adjustable water bottle cage is made of high strength, tough nylon plastic steel and fits most standard size water bottles. 2.5" 3.2" diameter bottles, water bottles, cans up to 27 oz. Various installation methods The clip of the bottle cage is designed to be easy to install and remove, install in seconds, it can be vertical and horizontal mounter. The water cup holder can be easily installed and locked in different positions of the bicycle by directly adjusting the claws by manually rotating the handle, which is safe and reliable, and can also be fixed on the bicycle by screws. ADJUSTABLE Adjustable 360 degree swivel, turn the screw to make sure it fits your pipe size, easily choose the orientation of the bottle holder according to your needs, making it more convenient for you to use, this bicycle cup holder can be installed on the bicycle handlebar, under the seat , down tube, front fork, front tube. Clamp range 0.75 1.7 inches. Wide Application Well designed, inexpensive cup holder. It fits most folding bikes, road bikes, mountain bikes, women's bikes, strollers, walkers, strollers, scooters. You can place it almost anywhere on your bike: handlebars, highway handlebars, engine guards, or anywhere else.