Originally Posted by seypat

There's always more to it than that. I generate a lot of heat during physical activities. The lower cadence/bigger gear will produce less heat buildup than the higher cadence/smaller gear.(at least for me) I took a bike to the HotterNHell 100 earlier this year with high gears specifically for that reason. Averaged 69rpm for the ride. Still got too hot and abandoned with 3 miles left. Trying to spin along through that heat/wind at a higher cadence would have put me out a lot sooner.