Gomadic Bike Handlebar Holder Mount System suitable for the Microsoft Zune HD - Unique Holder, 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. Perfect for bikes (street or mountain) and also works great on motorcycles, ATV, 4-wheelers, golf carts, baby strollers, snowmobiles and more! Bike handlebar mounted base for the Microsoft Zune HD device. Cradle is designed to accommodate the specific dimensions (102 x 52.7 x 9.2 mm). Gomadic handlebar mount and holder are protected by Gomadic Lifetime Warranty. Heavy duty foam inserts (1/2 inch thick) line grips on holder for a secure hold of device under a variety of riding conditions.