Originally Posted by
Joemess
Well theres your problem.... Your are working off of a false assumption.
I am 185lbs. On Saturday I rode a moderate 65 mile loop at roughly 17 mph average.... By my heart rate monitor, and I think it over estimates, I did not burn 1400 calories.
I think your HRM is underestimating your caloric expenditure. You'd have to be riding at around 100W to only burn 1400 cal on that ride. It could easily be over 2000.