Wahoo Elemnt Bolt V2 GPS Bike Computer. Designed for performance and engineered for simplicity the Elemnt Bolt V2 GPS Bike Computer makes every second count. Whether following a route or exploring new terrain turn-by-turn directions will keep you on course or help you navigate to a new destination with on-the-fly routing.Aerodynamic Design: purpose-built for a sleek simple intuitive ride experienceVibrant Display: 2.2 in (5.5 cm) 64-color Gorilla glass screen adjusts to conditions with ambient light sensorFull-On Focus: data fields and pages can be customized with your preferred metrics. Perfect View Zoom and Quicklook LEDs keep you focused on the metrics that matterSmart Navigation: whether following a route or exploring new terrain turn-by-turn directions will keep you on course or help you navigate to a new destination with on-the-fly routingSummit Climbing: notifies you of climbs that lie ahead and enhances the elevation chart with color coded gradient