Garmin HRM-Tri Heart Rate Monitor

  • COMPACT AND COMFORTABLE – HRM-Tri is the smallest and lightest heart rate monitor from Garmin. Designed with rounded edges and no exposed seams, the strap remains comfortable during extended hours of training.
  • SWIM HEART RATE1 – Stores up to 20 hours of heart rate data during swims, then forwards it to a compatible device at the end of the session. It also sends real-time heart rate to the watch when the monitor is out of the water
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