Gomadic Bike Handlebar Holder Mount System suitable for the Magellan Roadmate 1440 - Unique Holder, Lifetime Warranty Bike handlebar mounted base for the Magellan Roadmate 1440 device. Cradle is designed to accommodate the specific dimensions (113 x 84.32 x 18.48 mm). 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! Rotational joint on handlebar mount provides both landscape and portrait viewing modes. Heavy duty foam inserts (1/2 inch thick) line grips on holder for a secure hold of device under a variety of riding conditions.