It's probably not reading your rate correctly, but it could also depend on your max calculation too. I remember having a readout of 240 for about 10 minutes until I undid the strap and readjusted it.
@nickyspaghetti started
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It's probably not reading your rate correctly, but it could also depend on your max calculation too.
I remember having a readout of 240 for about 10 minutes until I undid the strap and readjusted it.