The Continental 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. Uses Black Chili Compound for greater grip, rolling resistance and durability Tire Use Road Color TreadSide BlackBlack Tire Type Tubular Tire Diameter 700c ISO Width 22 mm ISO Diameter 622 Tire Bead Folding PSI
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