Garmin

Garmin HRM-Tri Heart Rate Monitor

Garmin heart rate strap. Small module and smooth, soft strap make it comfortable out of the water, too
  • Smallest and lightest heart rate monitor from Garmin: 29.4 x 51.4 x 8.5mm / 1.7oz
  • Designed for running, biking, and open water swimming
  • Stores up to 20 hours of heart rate data during swims, then forwards it to a compatible device at the end of the session
  • Provides feedback on running form by measuring cadence, vertical oscillation and ground contact time when paired with a compatible device

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