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Garmin HRM-Tri, Heart Rate Monitor For Triathletes, Wireless Strap and Sensor

4.5 out of 5 stars 4,655 ratings

$113.94
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Only 3 left in stock.
Single
Brand Garmin
Colour Black, Blue
Item dimensions L x W x H 142.2 x 3 x 1.3 centimetres
Item weight 0.13 Pounds
Battery life 7200 Hours

About this item

  • 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
  • Running Dynamics2 - Provides feedback on running form by measuring cadence, vertical oscillation and ground contact time when paired with a compatible device
  • Battery Life - Lasts for 10 months (assuming 1 hour/day use) with user-replaceable CR2032 battery
  • Includes - HRM-Tri, manuals, supports heart rate variability and advanced heart rate features

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Product description

Heart Rate Data in Three Disciplines- Specifically designed for triathletes- Our smallest and lightest heart rate monitor (HRM)- Comfortable, easily adjustable strap- Stores and forwards heart rate data to Forerunner 920XT 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. Our 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. Example of Typical Uses - HRM-Tri- Bike rides, runs, bricks- Open water swims- Triathlon competition (open water swim)- Triathlon competition (with pool swim) while wearing triathlon kit Physical Specifications- Unit dimensions (LxWxD): 23.5"-56.0" x 1.2" x 0.5" (60.0 - 142.0 x 3.0 x 1.2 cm)- Weight: 2.1 oz. (59 g)- Module size: 29.4 x 51.4 x 8.5 mm- Module weight: 1.7 oz. (49 g)- Size adjustment: Bi-fold- Sizing range: 23.5"-56.0" (60.0 - 142.0 cm)- Battery: CR2032- Battery life: 10 months (Tri training 1 hour per day)- Water rating: 5 ATM Additional- ANT+ heart rate: yes- Supports heart rate variability and advanced heart rate features: yes- 2.4 GHz ANT wireless communication protocol: yes- Running dynamics: yes- Stores and forwards heart rate: yes- Swim interval heart rate statistics: yes- Non-slip design for pool swimming: no- Pool chemical resistant: no.


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Top reviews from Australia

Reviewed in Australia on 29 August 2020
Style Name: SingleVerified Purchase
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5.0 out of 5 stars Turns on every time. Waterproof. Metrics kinda interesting.
By Paul on 29 August 2020
I upgraded to the HRM-Tri from a MyZone MZ-1, an entry-level, non-waterproof chest strap focused on gym work. The simplicity of the MZ-1 was great, and it could sync to both the phone app and my Garmin Forerunner 935 at the same time. The only problem with it was the actual strap. It was always dropping out as soon as I got sweaty (I'm an above-average sweater, and I live in a subtropical climate). After 9 months of use, it became so unreliable as to be useless, often not even switching on at all during a 5-10 km run.

The strap on the HRM-Tri, by contrast, instils confidence. It hasn't failed to turn on first time yet. That said, it's only a month old. If it's still as reliable in 2-3 years, I'll be pleasantly surprised. Given that it's a swim-capable strap and fully waterproof, I'm hopeful that even in the sweaty heights of summer it won't drop out.

The additional metrics the strap adds to my runs are somewhat interesting, but mostly not useful given that I'm not a pro athlete focusing on form. Running metrics on Garmin often have 5 colour bands (from worst to best): red, orange, green, blue, and purple. I'm usually in green (average) for cadence, blue (better than average) for ground contact time, orange (worse than average) for vertical oscillation, and red (worst) for vertical ratio. However, all of these seem to be a rough proxy for pace, i.e. the faster I go, the more steps I take, the less time each step spends touching the ground, and the more I bounce up & down vertically. All of that seems a bit obvious, and I don't tend to look at it much.

The ground contact time balance is a little more interesting, in that if I notice a pattern in one direction or the other, it might indicate a weakness in one or other leg. This seems like something worth tracking over time, and for me it seems to waver back & forth from left to right.

So if you're a data nerd you might find the metrics interesting, but unless you're really trying to focus on changing your running form, they don't seem terribly critical for the average-to-above-average runner. Screenshots show some of the metrics as seen by Garmin Connect Web and Garmin Connect Mobile (Android).

I haven't tried the strap in a swimming activity yet. Keen to see what it does there.
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Reviewed in Australia on 8 January 2021
Style Name: SingleVerified Purchase
Reviewed in Australia on 9 October 2019
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Reviewed in Australia on 15 March 2021
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Reviewed in Australia on 28 January 2021
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Reviewed in Australia on 23 October 2021
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Reviewed in Australia on 31 January 2021
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Reviewed in Australia on 7 November 2019
Style Name: SingleVerified Purchase

Top reviews from other countries

Dan911
1.0 out of 5 stars Worked for 31 days and then died...
Reviewed in the United Kingdom on 21 September 2018
Style Name: SingleVerified Purchase
128 people found this helpful
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Christoph Prockl
2.0 out of 5 stars Hält nicht lange....
Reviewed in Germany on 17 April 2019
Style Name: SingleVerified Purchase
63 people found this helpful
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Eljay
5.0 out of 5 stars Comfortable and Reliable HRM for Garmin
Reviewed in the United Kingdom on 6 November 2019
Style Name: SingleVerified Purchase
13 people found this helpful
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adam
5.0 out of 5 stars Information overload (in a good way)
Reviewed in the United Kingdom on 23 August 2019
Style Name: SingleVerified Purchase
8 people found this helpful
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Sergio Benis
1.0 out of 5 stars Stops working after first battery change (apparently a common issue) so lifespan about 6 months
Reviewed in the United Kingdom on 8 June 2020
Style Name: SingleVerified Purchase
5 people found this helpful
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