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  • Garmin HRM-Tri/HRM-Swim Accessory Bundle
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GarminHRM-Tri/HRM-Swim Accessory Bundle

Item # GRM005D

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  • Black/Blue,One Size ($199.99)
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Item # GRM005D

HRM-Tri/HRM-Swim Accessory Bundle

  • A two heartrate strap bundle that's optimized for each discipline
  • Non-slip design is comfortable and stays in place
  • HRM-Swim stores and forwards heart rate data to compatible devices
  • HRM-Tri is Garmin's smallest and lightest heart rate monitor
  • Tri version also pairs to compatible wearables and reports several running metrics
Tech SpecsWeight
Tech Specs
Battery Type
Battery Life
[HRM-Swim] 18 months, [HRM-Tri] 10 months
Recommended Use
swimming, triathlon
Manufacturer Warranty
1 year

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[HRM-Swim] 72g, [HRM-Tri] 59g

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Unanswered Question

Is this compatible with the 735XT?

How small will these adjust? My ribcage circumference is 28 inches.

Hi Jason, These should adjust down to fit about a 20" torso. Please reach out to me directly if you have any other questions. - Matthew Pizza - Expert Gearhead