Our smallest and lightest heart rate monitor (HRM)
Comfortable, easily adjustable strap
Stores and forwards heart rate data to Forerunnerå¨ 920XT
Extensive Running Dynamics
When running, this pairing allows your compatible wearable to report 6 running dynamics metrics: cadence, stride length, ground contact time, ground contact time balance, vertical oscillation and vertical ratio.
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: 10 months (Tri training 1 hour per day)
Water rating: 5 ATM
In The Box:
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