Small in size. Big on performance. Edge 850 is a compact GPS cycling computer with a vivid color touchscreen and button controls designed to deliver performance insights navigation and safety alerts. It supports advanced training features when paired with compatible sensors and keeps you connected with GroupRide.Vivid color screen shows maps and stats in detailBattery lasts up to 12 hours or 36 in saver modeRoad hazard alerts shared by fellow cyclistsBuilt-in bike bell alerts riders and pedestrians