Challenge Grifo 700x34c Black/Brown Tubular

The Grifo is Challenge's most versatile cyclocross tubular; 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