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The Grand Prix 4000 tubular may be missing the aura of the old champion, but the challenger is enticing professional cyclists with its new technology. A seamless casing design improves the rim seating, uniformity and rolling resistance. The name, the dynamic tread design of the Grand Prix 4000 and of course a Vectran® puncture protection breaker state the high ambitions of this tire. Naturally, both competitors enter the race with the innovative BlackChili tread mixture.