Continental Grand Prix 4000 S II

The Continental Grand Prix 4000 S II has been seen as the gold standard in race tires has now gotten even better. The rolling resistance has been reduced to give you some "free speed" while the famous 4000 S puncture resistance has also improved. For the ultimate race tire that won't leave you fearing a puncture at every turn, then you can't go past an old friend in the Grand Prix 4000 S II.