"I am a 49 YO white male cyclist. My HRM will consistently go to 0 when my HR is 175+ for more than a few minutes. This happens regardless of location. I have used a Polar S150, Blackburn Delphi 5.0, and Garmin 705 and they ALL do the s..."
Are you sure you want to delete your ?
You will no longer be able to add new data to this tracker.