Continental Grand Prix 4000 S II Folding Tire mens-bike-shorts Injection-molded nylon composite outsole with

Injection-molded nylon composite outsole with SlipNot™ rubber tread for moderate pedaling stiffness and phenomenal trail traction: Stiffness Index 6

Four-way stretch panels mold to body contours

race-room developed

Toe System: 4-Linkage JR

Continental Grand Prix 4000 S II Folding Tire mens-bike-shorts Injection-molded nylon composite outsole withThe Grand Prix 4000 S II is the ideal combination of comfort, puncture protection and low rolling resistance. It's the perfect all rounder for all conceivable conditions with excellent puncture protection thanks to Vectran puncture protection and BlackChilli's high mileage rolling efficiency. Transparent Sidewall: The tire sidewall is left without the outer most rubber layer so the casing ply is visible. The bare casing ply gives the tire sidewall a