5

Max HR isn't a particularly useful metric. Not only is it particularly difficult to measure/estimate, but it can't be used to accurately define training zones, as there are large variations between individuals with regards to % of MHR they can sustain for various durations. It can even change for an individual based on their current state of training. Basing ...


4

GPS-based computers, which are often called head units, typically use two communication protocols: Bluetooth (which is the same as many personal electronic devices like smartphones use) and ANT+, which is a protocol developed for the cycling world. I think that ANT+ was initially developed for power meters, but it can be used for other devices. ...


1

You also may just be especially fit. For example, Dale Stone, one of my favorite MTB YouTubers, has a max heart rate of 208 or so, and is still capable of talking at 180BPM and higher. Heart rate guidelines are just that: guidelines, and there's no guarantee that you fall within them.


1

I take it you know or feel what your optimal cadence is. If not, somewhere between 70-90 rpm usually is a good starting point to experiment with. Find a gear in the back while on the big chain ring that you can peddle at between 70-90 rpm and that you see your heart rate stay flat for the duration of your ride. Again a good starting point for a new rider is ...


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