Bike Phone Mount Bicycle Holder,Motorcycle Holder Cradle with Rotate for For iPhone 7 (5, 6, 6s Plus), Samsung Galaxy or Other devices 1.97-3.94inch width by

EASY to install. Seems very secure. It will slightly vibrate/rattle on really bumpy rods but is quiet on smooth roads. I have 55 miles of bike riding with it so far and I am liking it a lot.