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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)ACCESSORIES – Computers
    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
    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


    • HRM-Run
    • Strap Extender
    • Manuals
    *Please note that our specifications may be impacted by running substitution changes, we highly recommend confirming the specifications of our products at the time of sale. *Recommended Retail Prices are subject to change without notice and may vary from store to store depending on freighting and assembly costs. Please read our Terms & Conditions

    *Giant & Liv Bicycles are available for purchase online, but due to warranty regulations, must be shipped to qualified Giant dealers, as bicycles must be assembled by a qualified bike mechanic in an approved store - This is an international policy and usually will require an additional fee to build the bike. This will be confirmed by one of our online staff after purchase of the bike.

    *Specialized Bicycles are available for home delivery nation wide.

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