Get smart fuelling alerts that account for fitness, course demands, heat and humidity when using the power guide feature or following a workout with your compatible power meter and heart rate monitor. Ride like a local with preloaded maps for road, gravel and trails. Get alerts for road hazards reported by fellow cyclists when used with your compatible smartphone and the Garmin Connectapp. Train like a pro with a variety of plans that integrate seamlessly with your device. Garmin Cycling Coach plans even adapt to your performance, recovery and more when riding with your compatible power meter and heart rate monitor. Get clear workout and navigation prompts, thanks to a built-in speaker. A bike bell lets you alert riders and pedestrians, and Garmin Paycontactless payments (with a supported bank and payment network) make fuelling stops a breeze. The Edge 850 device has a sleek, compact design and delivers up to 30 hours in battery saver mode.GPS cycling computer with vivid colour d