Part of our complete GPS ecosystem, the Lezyne Ally app is the key link between your phone and your Lezyne GPS device. The free app features the latest interactive and real-time technologies designed to enhance your cycling experience. Once paired with one of our GPS devices, you’ll enjoy easy device customization, wireless ride syncing, route loading and mapping, and much more. Experience effortless navigation, import .tcx and .gpx files, and connect cycling routes directly through the applicat