Continental Grand Prix 4000 S Tire - Clincher - Road Bike Shop
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|Continental Grand Prix 4000 S II Tire - Clincher
Like the outgoing GP4000 S, Continental's Grand Prix 4000 S II Clincher Tire continues to use Black Chili, but now has Vectran technology to boost puncture protection. Vectran is a multi-fibered thermoplastic yarn that is made from a liquid crystal polymer. Claimed to be stronger than steel, this...