The Garmin 705 Bike Computer has really upped the ante on the entire cycling computer category with it’s two new gps-enabled navigator/computers, the 705 and its younger sibling, the 605. A true navigational aid with full-color maps and turn-by-turn directions in addition to advanced route-planning and saving capabilities, the Garmin 705 Bike Computer adds heart rate and cadence monitors, a barometric altimeter, and wireless capability that lets you share routes and workout data with other ride