Originally Posted by
genejockey
According to Bicyclerollingresistance.com, the Contis are between 2.2 and 4 w lower RR/tire than the Vittoria Corsa 1.0 and 2.0. I noticed a difference between the Contis and the Corsas - the Corsas felt slower, and indeed WERE slower, on the same Sunday route, by about 0.4 mph over 59 miles,
I believe this, but honestly there is more to a tire than low RR. There is something about "road feel" that is tough to quantitate which I find with these tires and not others. It's subtle and might even be placebo, but I really like them the best.
The best, Jerry! The BEST!!