Garmin HRM-Pro vs HRM-Tri vs HRM-Run vs HRM-Dual vs Wahoo Tickr X Compared – What's changed and is the HRM-Pro the best heart rate monitor for Garmin
Garmin Fenix 3 - Garmin: Replacing the Battery in your Heart Rate Monitor ( HRM) The CR2032 batteries in your HRM-Run, HRM-Swim or HRM-Tri straps will last approximately 18 months, depending on use.
Garmin Heart Rate Monitor Repairs – My Tri Addiction