Originally Posted by
drmweaver2
In general terms, the total drag of a cyclist will consist of 80% tire rolling resistance and 20% wind resistance at 10 km/h or 6 mph. At 40 km/h or 25 mph the numbers will reverse, with total drag consisting of 80% wind resistance and 20% tire rolling resistance.
this tells me that low rolling resistance tires are important for accelerating and leisure riding, but not as important for distance riding (aerodynamics become more significant).