Izzo Swami 4000 compatible Bicycle Handlebar Cradle Mount _ Holder for Bike 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. Bike handlebar mounted base for the Izzo Swami 4000 device. Cradle is designed to accommodate the specific dimensions (76.3 x 50.8 x 25.9 mm). 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. Gomadic handlebar mount and holder are protected by Gomadic Lifetime Warranty.