Garmin HRM4-Run Heart Rate Sensor & Strap

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The HRM-Run heart rate monitor provides the most advanced running metrics to high-end Garmin Forerunner® running watches. The strap is seamlessly comfortable and easily adjustable while the module is small, lightweight and fits entirely within the width strap.

HRM-Run provides 6 running dynamics metrics:

  • Cadence — number of steps per minute
  • Vertical oscillation — degree of ‘bounce’ in your running motion; displays the vertical motion of your torso, measured in centimeters for each step
  • Ground contact time — amount of time in each step that you spend on the ground while running; measured in milliseconds
  • Ground contact time balance — displays the left/right balance of your ground contact time while running (displays a percentage); for example, 53.2 with an arrow pointing left or right
  • Stride length — length of your stride from 1 footfall to the next; measured in meters
  • Vertical ratio — ratio of vertical oscillation to stride length (displays a percentage); a lower number typically indicates better running form

This real-time data can help athletes take their performance to the next level by showing them where they can improve their running form.

 

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: Up to 1 year (approx. 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: no
  • Swim interval heart rate statistics: no
  • Non-slip design for pool swimming: no
  • Pool chemical resistant: no
More Information
SKU 010-10997-12
Shipping Weight 0.100000
UPC 753759149772
Size UNI
Click & Collect Yes
Delivery Available Yes
Sizing UNI

About Garmin

Garmin is a world leader in innovative GPS technology across diverse markets, including automotive, marine, fitness, outdoor recreation and aviation. Garmin pioneered handheld GPS receivers, which were initially used by military personnel in the Gulf War.  A decade later Garmin launched a series of personal GPS devices for fitness called 'Forerunner'. The 'Forerunner' series was at the cutting edge of what is now a well developed market for GPS fitness products, used by recreational and professional athletes alike. In 2008 Garmin launched the Garmin-Sharp cycling team on the UCI Pro Tour to promote its range of 'Edge' bike computers. Garmin continues to be at the forefront of technology and innovation for GPS products, making a wide range of cycling, multi-sport and running devices.  

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