Optional Tether Included No matter where your adventure takes you, it is highly likely that your smartphone is within hands reach. For the outdoor biking enthusiast, the RAM Universal Bike Mount is the most complete mounting solution for attaching a smartphone to your bike. Compatible with most any smartphone, the X-Grip cradle has a clean and clever four leg design that sports great holding power, but also allows for easy insertion or release of your phone. Designed to fit most common handlebar sizes, the included base uses common zip ties to attach to a variety of handlebar diameters. Made of high strength composite, it is light weight too. Adjustable to allow for the best viewing angle, this product is perfect for any cyclist or open trail adventurer. The X-Grip includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size. Cradle Dimensions Minimum Width = 1.875" (Minimum Height = 4.25") Maximum Width = 3.25" (Minimum Height = 2.25") Depth = 0.875"