Originally Posted by
yarbrough462
So it's not all the weight? It's tough to compare with different gearing.
It's not that tough at all, because weight is likely the least significant factor. Take for example the two activities right next to one another, separated by just one second:
Riding less = riding faster, and
Pretty decent. Between those two efforts, the road bike was one second quicker, on seven fewer watts. So in that matchup, the power difference between the two was less than 4%. This is why I go off of averages taken from multiple rides. Getting lucky with lights/traffic might account for +/-2 minutes on the total time.
IME, weight only becomes an issue when it's excessive. Times would start getting further apart if one of the bikes was +30lbs. But 8-10lbs certainly isn't a dealbreaker. Again-- not racing. Just riding.