Product details:

Performance GPS Cycling Computer with Mapping Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more - Cycling safety features include new bike alarm, group messaging and tracking, incident detection and compatibility with Varia rearview radar and lights so you can see and be seen - Includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus off-course recalculation and back to start; mountain biking model has integrated Trailforks data, including trail difficulty ratings - Customize with free apps, widgets and data fields from the Connect IQ Store - MTB dynamics tracks jump count, jump distance and hang time as well as Grit, a measure of the rides difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time - Battery life: up to 20 hours with GPS; extendable up to 40 hours with the optional Garmin Charge power pack or in battery save mode Navigate Every Turn - Edge 830 is preloaded with the Garmin Cycle Map, including turn-by-turn directions and navigation alerts that notify you of upcoming turns. Use the bright, responsive touchscreen to create new rides and courses right on the Edge device. To help you ride like a local, popularity routing chooses from the roads and trails most traveled by fellow cyclists. And Edge 830 is smart enough to guide you back to the route — or back to start — if you deviate from it or decide to head home early. And with route calculation speeds 2 times faster than previous models, youll spend more time riding, not waiting around.