Garmin Heart Rate Monitor HRM-Tri and HRM-Swim Accessory Bundle. HRM-Tri and HRM-Swim are the smallest and lightest heart rate monitors from Garmin.
HRM-Tri
- 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. Sends real-time heart rate to the watch when the monitor is out of the water
- Provides feedback on running form by measuring cadence vertical oscillation and ground contact time when paired with a compatible device
HRM-Swim
- Designed for pool swimming but is good for multi-sport activities involving a pool swim.
- 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 and interval summaries to the watch when the monitor is out of the water during rests