Don’t skip a beat (literally) with the Garmin Premium HRM4 W/Running Dynamics. It provides the most advanced running metrics to high-end Garmin Forerunner running watches. The strap is seamlessly comfortable and easy to adjust for a secure fit. With the real-time data, you can take your performance to the next level by seeing how hard you can go and where you can improve your running form for more effective running.
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
PART NUMBER: 010-10997-12
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 life: Up to 1 year (approx. 1 hour per day)
Water rating: 5 ATM
ANT+® heart rate: yes
Supports heart rate variability and advanced heart rate features: yes
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