360 degree rotationOur cup holders are equipped with 360 degree rotating clips, which can be installed anywhere on the bike, such as handlebars, head tube, down tube and fork , also suitable for most strollers. High Quality MaterialMade of high quality plastic material and metal parts, very durable and eco-friendly. Designed to store cups, cans and bottles. REMARK : Mounts will not work with handlebars or tubes over 4cm in diameter. DimensionsDimensions (Bottom Diameter x Height): 7cm x 14cm, the cup holder diameter is about 70mm-80mm. Lightweight and easy to install. Fits most sizes of cups, mugs or water bottles. Wide ApplicationOur bottle cages are perfect for strollers, bicycles, scooters, wheelchairs and ATVs, etc. The body of the holder is adjustable to fit cups and bottles of different sizes, such as water bottles, coffee cups, milk bottles and juices. Easy to install You can install the road bike bottle cage without any tools and remove it from any position. Put it in the right position and tighten the screws. Hold the cup or bottle firmly in place to prevent the drink from spilling or falling. Box contents: 2 bicycle bottle cages, black