Universal bike phone Mount, From 2 to 4 inch wide, securely fits most cell phones. Battery connector included. 360 degree rotatable. Select the best viewing angle you want -- the viewing angle will not change even if you shake your handlebar. The unit has a rubber grip, securing the four corners of your device tightly to the mount, to avoid damage due to falls, slides, and scratches. Adjustable size for the handlebar from 1/4” to 1-3/4” in diameter, with rubber cover on grip surface to ensure the unit will not damage your handlebar. Easy to install -- just screw the grip to hold firmly. You can remove the Bike Phone Mount Easily by Hand.