Garmin's got a lot of products showing up on its website we've never heard of, including two cycling computers in its Edge range -- the 510 and 810. Both have GPS / GLONASS-based tracking and do what pedallers want them to do: log distance, speed, gradient info, and other measurements from ANT+ sensors if you got 'em. You can now also connect them to your smartphone via Bluetooth so the Garmin Connect Mobile app can add some additi
