Easy to mount on 25-31.8mm handlebar, fit for phone(phone thickness11mm) 2.2-3.7in wide. Aluminum alloy constructed, solid and durable. Feature: WIDE USE: Fit for 25-31.8mm round handlebar. Can be used on motorcycle, MTB, road bike, E-bike, scooter and etc. ADJUSTABLE WIDTH: Compatible with most phones(phone thickness11mm), adjust the width from 55mm to 95mm to fit the cell phone. MORE STRONG: Aluminium Alloy constructed, 4 claws with rubber pads hold your phone firmly and prevent scratches. ROTATABLE: 360 adjustment, you can rotate the viewing angle at will for comfortable use. NEW DESIGN:Does not obscure the screen, perfect for most large screen phones. Specification: Material: Aluminum alloy Color: Black / Titanium / Gold / Silver (optional) For phone width: 55-95mm / 2.2-3.7in(phone thickness11mm) For handlebar: 25-31.8mm Package weight: 160g / 5.6oz Package List: 1 * Bike Phone Holder 1 * Allen Wrench 1 * Manual