Amzer Bicycle Bike Handlebar Mount Holder for Samsung Galaxy S5 - Retail Packaging - Black The 360 swiveling head rotates the custom fit cradle and your Samsung GALAXY S5 to the perfect viewing position. Swiveling base with locking ring - enables the holder to be positioned and locked into place. Suitable for handlebars between 0.75 inches to 1.125 inch in diameter. Includes 2 rubber pads for an enhanced grip. No tools required for installation. Can also be used on golf carts, shopping carts and baby strollers. Easily transferable from one Bicycle to another Bicycle.