Size (Bottom Dia. x H): 2.76*5.51" /7cm*14cm, the bottle holder diameter is about 70mm~80mm. Its arms can wrap around the bottle and provide a secure and firm hold so you don't have to worry about it falling out. 360Rotation: Bike Bottle holder can be installed on handlebar, down tube, fork, front pipe. Anyway,any angle the cup holder can be turned upwards. You dont need to worry about drink spilled. Widely Use: Perfect for mountain bike, bicycle, baby strollers, wheelchairs etc. Compatible with most pram, such as Chicco, Britax, Peg Perego, City Mini and so on. The Water Bottle Cages can be use to put milk bottle,water bottle, drinks,juice and so on. Advanced Environment Friendly Material: The bottle cages made of high quality ABS plastic and metal accessories, very durable. It is perfect bike accessories and wont make the painting of the bicycle worn out. Easy Installation: No tool needed! Just put the cup holder in the place you want, than tighten the screws. Product parameters: Material: ABS plastic and metal Colour: Black Dimensions (bottom diameter x H): 2.76 * 5.51" / 7cm * 14cm Cup holder diameter: about 7cm~8cm Adjustable clip size: approx. 0.59"-1.57"/1.5cm-4cm Easy to install: no tools required! Simply place the cup holder where you want it and tighten the screws. 360Rotation: Bike Bottle holder can be installed on handlebar, down tube, fork, front pipe. Anyway,any angle the cup holder can be turned upwards. You don't need to worry about drink spilled. Features: Suitable for any type of vehicle, whether it is a crossbar or a strong rod. The size of the cup is universal, all aspects of rotation adjustment, easy to install. Heat and cold resistance, care for each pick and place. Rotate the black knob part to adjust the size of the jaw and fix it. Firmly grasp the cup and not falling High quality materials: The bottle holder is made of high quality ABS plastic and metal fittings and is extremely durable. It is the perfect bike accessory that won't wear the bike's paint. Widely Applicable: This bicycle bottle holder is ideal for mountain bikes, bicycles, strollers, wheelchairs and more. Compatible with most strollers, such as Chicco, Britax, Peg Perego, City Mini, etc. The bottle cage can be used to place milk bottles, water bottles, beverages, juices, etc.