My 235 was working fine for a couple of weeks but now for the last week or so seems to be well under what I am sure my HR is.
On a tough XC on Saturday it barely went above 100 - which was clearly nonsense.
Has anyone else had this?
My 235 was working fine for a couple of weeks but now for the last week or so seems to be well under what I am sure my HR is.
On a tough XC on Saturday it barely went above 100 - which was clearly nonsense.
Has anyone else had this?