Originally Posted by
Drew Eckhardt
Did you estimate Crr and CdA using the Chung virtual elevation model or are you just guessing?
Yes? I used this.
Bicycle tire pressure calculator
Originally Posted by
merlinextraligh
Data? Or did it just feel slow?
Rock hard tires feel fast, but what makes them feel fast is actually taking energy away from going forward.
Admittedly 70psi front sounds awfully low, and likely was slower. But 108psi could be faster than 120psi depending on a range of factors.
I don't have power, and yesterday was too abnormally windy in da 904 to make a meaningful comparison to previous times/speeds/etc. What I can compare to is that I was struggling to keep up with guys that I can normally hold my own with quite well. I think I may try 100/108 psi before going back the 120.