Zoom H4n compatible Bicycle Handlebar Cradle Mount _ Holder for Bike with Lifetime Warranty Cradle attaches to handle bars of any bike with tube diameters ranging from 1/2 - 1 1/8 inch (13-28mm). Unique rubber ribbed clamping system connects without the need of tools. Bike handlebar mounted base for the Zoom H4n device. Cradle is designed to accommodate the specific dimensions (157 x 70.1 x 35.5 mm). Perfect for bikes (street or mountain) and also works great on motorcycles, ATV, 4-wheelers, golf carts, baby strollers, snowmobiles and more! Heavy duty foam inserts (1/2 inch thick) line grips on holder for a secure hold of device under a variety of riding conditions. Rotational joint on handlebar mount provides both landscape and portrait viewing modes.