The garmin edge 820 road performance bundle is a compact touchscreen cycling computer for anyone from a casual tourer to a cycling enthusiast supplied with data reading essentials are you in need of a gps computer that can give you precise and real time read outs then the garmin 820 is for you whether you are looking to train harder and longer or go on a new ride the edge 820 has got your back it offers advanced performance monitoring vo2 max ftp tracking and new performance condition as