What is a spin class?
I was running a few weeks ago and during a midway sprint my fitbit binged at the end of a kilometer and gave my heart rate as 190bpm.
Think that's the highest I'v ever seen it.
What is a spin class?
I was running a few weeks ago and during a midway sprint my fitbit binged at the end of a kilometer and gave my heart rate as 190bpm.
Think that's the highest I'v ever seen it.
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