Features: Make of aluminum alloy, strong and enduring, rustproof, prevent fading. Easy to install, stable and firm, not easy to loosens. When used, the screen information is not obstructed, making cycling operations more convenient. Simply mount the mounting wreath on frame and screws it until it is fully clamped. Then adjust angles at which brackets is to attach, depending on how you want it. Suitable for pipe diameters of 21.8-31.8mm/0.86-1.25inch, which suitable for most bicycles and some electric bicycles and motorcycles. Suitable for outdoor cycling, cycling, travel, you can attach your phone to your bike for easily map navigations or answering phone calls. Specifications: Component: Aluminum alloy Size: about 100x100mm/3.94x3.94inch Applicable handlebar: about 21.8-31.8mm/0.86-1.25inch Applicable to phone width: about 60-100mm/2.36-3.94inch Package Includes: 1pc Bike Phone stand note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.