Custom Gomadic Handlebar Bike Mount designed for the Nokia 5230 Nuron _ Adjustable Holder 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. 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 Nokia 5230 Nuron device. Cradle is designed to accommodate the specific dimensions (111.4 x 52.8 x 14.2 mm). Gomadic handlebar mount and holder are protected by Gomadic Lifetime Warranty. Tabbed T-slot secures holder to handlebar mount to prevent accidental release.