Promate Quick Mount Smartphone Bike Mount for 12cm to 17.5cm Devices. 360DegreeRotation, Secure Locking System. Low Vibration Mount to Handlebars. Black PROMATE Quick Mount Smartphone Bike Mount for 12cm to 17.5cm Devices. 360 Degree Rotation, Secure Locking System. Low Vibration Mount to Handlebars. Black BikeMount, is an ideal solution to quickly, easily and securely mount your GPS unit, iPhone or smartphone on your bike. This universal bike mount offers excellent protection to your device while riding your bike with its secure and stable clamps. - Universal For All Phones: This universal bike smartphone mount securely fits almost any cell phone up to 6.9" wide - One-handed Operation: Pull down the mount to install and press a single button to release the smartphone - Handle Bar Support: Size is adjustable to fit handlebar sizes from 7/8" ~ 1-1/4" in diameter for your bicycle or motorcycle - Quick Installation: Innovative bicycle phone holder clamp makes it very easy to attach or detach to handlebars - Highly Adjustable: The 360° swivel head lets you freely adjust the angle while riding - Secure Grip: This adjustable bike phone mount comes with silicone pads that keep your phone from scratches and vibration