Custom Gomadic Handlebar Bike Mount designed for the Garmin Nuvi 3790T 3790LMT _ Adjustable Holder with Lifetime Warranty 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. Bike handlebar mounted base for the Garmin Nuvi 3790T 3790LMT device. Cradle is designed to accommodate the specific dimensions (135.5 x 86.6 x 15 mm). Tabbed T-slot secures holder to handlebar mount to prevent accidental release. Gomadic handlebar mount and holder are protected by Gomadic Lifetime Warranty.