Continental Grand Prix 4000 S II Clincher Road Tire Tire Size:700 x 28c Hi Fil mesh panels breathe

Hi Fil mesh panels breathe well and enhance dry time

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

TYR Fabrication: 80% Nylon / 20% Spandex

Its relaxed geometry blends with race-level speed and aerodynamics

Easy to retrieve ankle cuffs with ultra-stretchable triangle inserts

Continental Grand Prix 4000 S II Clincher Road Tire Tire Size:700 x 28c Hi Fil mesh panels breatheThe 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.