Continental Grand Prix 4000 S II Clincher Road Tire Shimano Tiagra without leaving you feeling weighed

without leaving you feeling weighed down during the swim or run

Contact us with trainer compatibility questions

you get higher contrast and a better view of things

SWISS VENT: Created in accordance with 2XU’s testing by RMIT University

Continental Grand Prix 4000 S II Clincher Road Tire Shimano Tiagra without leaving you feeling weighedThe 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.