700x33 CHALLENGE GRIFO PRO OPEN TUBULAR BLACK/TAN

The Grifo is Challenge's most versatile cyclocross open tubular clincher tire: it performs consistently and predictably in virtually all condition from fast and dry to wet and sloppy. Features: Corespun silk "Seta" casing All Challenge tires are completely hand-made Anti-puncture strip included in tire casing Tread is hand-glued onto an inflated tire body; this process yields a neutral state for the tread when the tire is in use and eliminate tread deformities at full-inflation Features seamless latex inner-tube Recommended pressure range: 30-90psi