Garmin Edge 200 with Garmin Connect to chart your progress. Very simple and installs in minutes. No need to have computers on all your classic and modern bikes. Just have the mounting hardware on each bike and attach the Garmin when using your favorite stallion. Another great feature is calorie count after the ride, this way you can justify eating a pint of Häagen-Dazs, or go to Mc Donalds to get super sized