The Continental Grand Prix 4000 S II tubular tire – does this tire even need an introduction? The “4000″, a multi award winner, has been a go to racing tire for such a long time it has become the standard other companies only compare to. How has it become such a staple choice of a competitive cyclist? An easy question to answer. By bringing together grip, quality, low cost, weight, flat protection, longevity, and low rolling resistance in a winning […]