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Cycling TSS values have become inflated in the past couple of days. Suddenly they're 125-135% larger for a given ride than they were before. Anyone know why?
I have the exact problem for about a week now when compared to TrainerRoad and Strava. All the sudden TSS is extremely inflated and my FTP setting has not changed. I checked
Someone forgot to square the intensity factor, IF, when calulating TSS. The correct formula is TSS = IF^2 * 100 * duration. Recently, they've dropped the squared term and are reporting TSS as IF * 100 * duration.