Joined: Apr 2010
Posts: 6,341
Likes: 326
From: Mountain View, CA USA and Golden, CO USA
Bikes: 97 Litespeed, 50-39-30x13-26 10 cogs, Campagnolo Ultrashift, retroreflective rims on SON28/PowerTap hubs
Originally Posted by
noglider
It makes more of a difference if you're a fit and strong rider than if you're not.
Actually it makes a bigger difference for less fit riders because at lower speeds the energy used to overcome aerodynamic drag is a smaller fraction of the total compared to higher speeds meaning reductions in rolling resistance and getting your weight up hill are a larger share of the total.
Last edited by Drew Eckhardt; 11-19-11 at 04:40 PM.