Continental Grand Prix 4000 650x23c Black
Continental Grand Prix 4000. Updated Activated Silica Compound (ASC) for improved handling in extreme conditions and lower rolling resistance. Features: More dynamic tread pattern which has been shifted to shoulder of tire for increased traction Uses Updated Activated Silica Compound (ASC) for improved handling in extreme conditions and lower rolling resistance Uses Vectran fiber which is extremely resistant to cuts and tears