Garmin Edge 305 Bicycle GPS Navigator with Heart Rate Monitor and Speed Cadence Sensor Rugged, lightweight Edge attaches easily to the stem or handlebars of your bike with the included bike mount. Just turn it on, acquire GPS satellites and go. Edge 305 automatically measures your speed, distance, time, calories burned, altitude, climb and descent, and records... 

Garmin Edge 605 Add maps and find motivation with Edge 605. This GPS-enabled cycle computer comes loaded with everything you need to make the most out of your ride. Get cycle computer data and mapping detail, all from one compact, easy-to-use device. You can even store, analyze and share your stats for the world to see with Garmin’s online training community. With a color display...