Take your ride to the next level with the Edge 305 - Garmin's GPS-enabled, personal trainer and cycle computer. From competitive road racing to mountain biking, the cyclist-friendly, lightweight Edge will help you achieve your personal best. With the easy-to-use Edge 305 on your bike, you'll always know where you're going and how far you've gone.
For advanced cyclists, the Edge 305 comes packaged with either a heart rate monitor to provide valuable feedback. In addition, the Edge 305 incorporates a barometric altimeter for extremely accurate elevation and vertical profile data.
The Edge 305 with heart rate lets you see whether you are training too hard or not enough. The heart rate monitor uses a robust wireless technology that eliminates cross-talk and interference and sends heart rate data to the Edge via a soft, comfortable chest strap. This data is stored with each track point for post-workout analysis.