Continental Grand Prix 4000 S II Clincher Road Tire Tire Size:700 x 28c TYR Fabrication: 80% Nylon /

TYR Fabrication: 80% Nylon / 20% Spandex

Hi Fil mesh panels breathe well and enhance dry time

leading professional racing cyclists to create the best possible shoes for you

resigned to another few weeks on the trainer

Color Coded Sizing for easy identification:

Continental Grand Prix 4000 S II Clincher Road Tire Tire Size:700 x 28c TYR Fabrication: 80% Nylon /The GP4000 S II is versatile enough for race wheels or training wheels. The proven aspects of the 4000 S II remain unchanged and handmade in Germany of course. Vectran Breaker Vectran is a synthetically manufactured high tech fiber from a natural model. Like spider silk, Vectran is a liquid crystalline polymer (LCP). Vectran is spun from melted liquid polymer Vectra and processed further to a multi strand thread.