The bike phone holder can be mounted on the handlebar or bike stem. All components are connected with screws, ensuring your phone stays securely and securely in the holder. The phone can be positioned vertically or horizontally. It fits phones ranging from 50 to 100mm wide. GUB PRO-1 bike phone holder, aluminum mounting screws, aluminum clamp for the handlebar or handlebar bracket, aluminum cover enabling precise fit on the handlebar, foam rubber pads on the corners of the holder to reduce shock and prevent scratching of the phone, a set of Allen keys for assembly, Technical data: handle weight: 130g phone size: 3.5 to 6.2 inches packaging dimensions: 108x93x25mm tube diameter: 22.2-31.8mm color: black