This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

HRM-DUAL chest strap

I have a Garmin Edge Explore fitted to my bicycle with  HRM-DUAL chest strap but recently the heart rate notification keeps going blank for quite long periods. I bought another strap but the same thing is happening. I wet the strap before wearing but still not working