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  • If I carry out a high intensity workout and follow it up the next day with a gentle low exertion endurance cardio exceise, will my heart rate naturally be lower than after a day when wasn’t high intensity included 🤔😁

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    • As a cyclist I’ve noticed days during the week when I can’t get my HR as high and was always led to believe this was due to fatigue

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    Hi there is there any difference between the black and blue straps!?

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