Heart rate zones You can set 5 heart rate zones.The default heart rate zones are set as per below. HR Zone 1: 30-100 bpm HR Zone 2: 101-130 bpm HR Zone 3: 131-160 bpm HR Zone 4: 161-190 bpm HR Zone 5: 191-240 bpm You can customize your heart rate zones.For more information on heart rate zones contact a medical professional or certified personal trainer.