Originally Posted by wktmeow

I've been doubting my power numbers from the stages, so the past two days I've had a powertap and a second garmin so I can compare numbers. Yesterday's efforts all showed 10-15w lower on the Ptap that was all climbing. Today I was on the flats, so I'll be interested to see if that makes a difference. Not sure how much drive train losses account for that 10-15w too.