Features: Made from metal, this water bottle holder is to keep your drink stable during outdoor activities. Its solid design ensures not spills, making it perfect for outdoor sports lovers. Suitable for mountain bike, bicycles, stroller and wheelchair. It is suitable for installation on handlebars, motorcycle, fishing umbrellas, etc. (the pipe diameter range is 19-33mm). It can accommodate smaller bottles and cups in the 52-70mm standard size. This motorcycle drink holder is very easy installation, frist, find a place you want install on just need to mmake the clamps intall on cup holder main body on and then use clamps mount on. 360 degree rotations design even makes it fit different angles of handlebars. The Bicycles water bottle holder provide a secure and stable hold to prevent the water bottle from shaking or falling offs during rides. Made from metal and ABS, this motorcycle cup holder is wear resistant for extended use. Specifications: Material:ABS,Metal Mount Position:Handlebar,Rearviews Bar(optional) Diameter:19mm/0.75''-33mm/1.3'' (Handlebar),10mm/0.39'' (Rearviews Bar) Suitable for 52mm/2.05''-70mm/2.76'' Bottle Package Includes: 1Set Motorcycle Cup Holder note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.