Recent content by Roadscrape

  1. R

    Conti GP 4000s

    A few have pointed out that higer pressure, 120-140 psi is not needed. That information came from tire tests developed by Continental and Schwalbe. The tests showed that a 25 mm tire will be faster than a 23 mm or narrower tire. The reason is due to the shape of the contact patch with the...