Custom Gomadic Handlebar Bike Mount designed for the Magellan Roadmate 1475T _ Adjustable Holder with Lifetime Warranty Bike handlebar mounted base for the Magellan Roadmate 1475T device. Cradle is designed to accommodate the specific dimensions (84.4 x 132.3 x 18.7 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. Cradle base is outfitted with sliding/rotating adjusters and ball/joint swivel mechanisms to customize viewing angle and provide full access to all buttons and controls. Tabbed T-slot secures holder to handlebar mount to prevent accidental release.