The continental grand prix tt folding tyre follows in the tracks of the time trial tubular podium tt a pure time trial clincher for serious competitors its ambitions are already optically apparent a slick centre tread profile ensures a few seconds are saved whilst the slightly roughened shoulders give that extra assurance on rougher b road bends particularly light thanks to a minimised tread depth and indescribably fast due to the latest black chili compound its vectran breaker protec