Use the LifeProof Bike + Bar Mount for“ iPhone 5 Case with a LifeProof iPhone 5 case (sold separately) to mount it to the handlebars of a bike. The mount features a locking nut to keep the cradle steady. It also features an adjustable ball mount that allows you to set it to an ideal viewing angle. A quick-release clamp fits a wide range of handlebar sizes. Additionally, the cradle locks to keep your iPhone 5 securely in place.