The Garmin Edge 830 is a high-performance GPS cycling computer. Designed for advanced cyclists and adventure enthusiasts alike, it provides highly accurate data not only on the map and route ahead, but also on how your body performs in different environments, taking into account temperature, motion, altitude and more. Edge 830 does more than just collect data - it provides dynamic performance information that will help you break all your records. See how your body holds up in different environments with heat and altitude acclimatization1. Get notifications along the ride when it's time to hydr...