Description
garmin hrm pro heart rate monitor Nutrition Its Axial Clutch™ technology allows Bearings:No ceramic Its Axial Clutch™ technology allows the freehub’s ratcheting mechanism to deliver half the mechanical drag of conventional three pawl hubs hiit and elliptical When your out of range of your Garmin device the HRM Pro stores your heart rate data and then sends this information to your device when your activity is finished the user replaceable battery provides up to 1 year of battery life