This handlebar phone mount is constructed of CNC machined aluminum alloy, lightweight and durable. It Features adjustable cradle width to fit almost all mobile phones. The 360 rotatable cradle and 180 rotatable arm allows you to view your phone screen at any angle. It is easy to install on 31.8mm/25.4mm/22.2mm handlebars, very convenient for bike riding and motorcycling. Features: Super strong aluminum alloy construction with CNC machining, lightweight and durable. Adjustable cradle width fits 60mm - 100mm (2.4"-3.9") wide devices, compatible with most mobile phones and GPS. 360 rotatable cradle and 210 rotatable arm quickly adjust your phone to any angle that suits your preference. Four claws and two round corners keep your valuable device firmly in the mount even when riding on bumpy roads. Easy to install on 31.8mm handlebars, comes with two spacers to use for 25.4mm and 22.2mm handlebars, suitable for bicycle, motorcycle, electric bikes. Specifications: Material: Aluminum alloy For Device Width: 60mm - 100mm / 2.4in - 3.9in Weight: 158g / 5.6oz Package Size: 80 * 74 * 112mm / 3.1 * 2.9 * 4.4in Package Weight: 200g / 7.0oz Package List: 1 * Bike Phone Mount 1 * 22.2mm Spacer 1 * 25.4mm Spacer 1 * Shock-absorption Pad 1 * L Wrench 1 * User Manual