Any workout using heart rate or cadence monitors will be built around the ‘7 Zones’ of training. These zones are based around a percentage of your Lactate Threshold Heart Rate or THR. This video will show you how to find out your THR and go over 7 zones in more detail. If you don’t have a heart rate monitor don’t worry as these zones fit well with the rate of perceived exertion scale which is simply how you feel on the bike in each zone.
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