Train smarter.
Garmin's HRM-Tri strap is designed for adding heart-rate measurements to open-water swims or occasional pool swims. It allows HR data to be stored while in the water when no connection to the device is available and then uploads the data to the device using ANT+® connectivity at the end of the session. The inclusion of accelerometers lets it calculate advanced Running Dynamics as well, when used with compatible devices.
Specifically designed for triathletes
Our smallest and lightest heart rate monitor (HRM)
Comfortable, easily adjustable strap
Stores and forwards heart rate data to your compatible Garmin device
Note: For regular pool use, Garmin recommends using their HRM-Swim strap.B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
Reviewed 1/14/2021
by Anonymous
Cycling Enthusiast
Perfect choice
I'm a triathlete and this met my exact needs.
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Reviewed 1/19/2017
by Anonymous
Cycling Enthusiast
Akron, OH
1 of 2 customers found this review helpful.
Great for what it does
This product is replacing an older Garmin HR strap that did not compute any running dynamics. It's nice to have the running dynamics to view as well and make adjustments in my training. The strap is more comfortable than my older one, but I was hoping to feel even more comfortable, hence the 4 stars. I have not had a chance to swim with it yet. But overall works great!
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