Does this look OK? Very hard to "hit" or "feel" each zone (way different than HR zones). Data from Duo-Shi and Garmin Fenix 6 Pro + Garmin HRM : r/Velo
Garmin HRM Duo Strangeness : r/cycling
HRM-Dual | Garmin
Garmin HRM-PRO Plus Heart Rate Strap In-Depth Review | DC Rainmaker
Tutorial - HRM-Dual: Using Your Heart Rate Monitor - YouTube
Garmin HRM-Dual Review | PCMag
Tutorial - HRM-Dual: Using Your Heart Rate Monitor - YouTube
Garmin HRM-Dual™ | Heart Rate Monitor with Chest Strap