Garmin Tri Heart Rate Monitor Color Black

Enhance your triathlon experience by pairing HRM Tri with your Forerunner 920XT. The HRM Tri stores heart rate data when underwater, then forwards it to the 920XT. Garmin's smallest and lightest module fits within the width of the strap. Its soft, rounded edges and covered seams make the strap super comfortable out of the water, too. Specifically designed for triathletes Garmin's smallest and lightest heart rate monitor HRM Comfortable, easily adjustable strap Stores and forwards heart rate data to Forerunner 920XT Color Black