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  1. MrPerfect

    Latic Threshold Heart Rate (LTHR) and Coggan Power Zones

    Hi, I have a little problem. Yesterday me and my friend had to do a LTHR test, and I have read, that you have to do a time trial, where you're riding as fast as you can for 20 minutes. Then you'll find the average heart rate of the time trial and take 95 % of that. That should be very close...