Custom Gomadic Handlebar Bike Mount designed for the T-Mobile G2x _ Adjustable Holder with Lifetime Warranty Bike handlebar mounted base for the T-Mobile G2x device. Cradle is designed to accommodate the specific dimensions (125.26 x 60.96 x 10.76 mm). Perfect for bikes (street or mountain) and also works great on motorcycles, ATV, 4-wheelers, golf carts, baby strollers, snowmobiles and more! 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. Tabbed T-slot secures holder to handlebar mount to prevent accidental release. Specifications: Holder Base: (2.5 X 4.0 inches in closed position. Highly expandable), Handlebar Mount (13-28mm tube diameter), Weight (Base 4oz., Mount 2oz.)