Cat Eye's Adventure is a great tool in helping you prepare for your next race or century ride. How? By mimicking the elevation gain of your event in training. In addition to standard cycling computer functions, the Adventure's built in altimeter shows altitude gain and the percent grade you are climbing. It's wireless for a clean look and easy installation, and is rugged enough for mountain bikes. This computer features a large screen and digits for easy reading. Plus, you'll love Cat Eye's innovative mode button. Just press on the computer to change the modes! You can even do this wearing thick gloves.