The Challenge Grifo is a steadfast performer in various 'cross condition.
- 300 tpi reinforced polyester casing for excellent moisture resistance and durability
- Tread is glued onto fully-inflated casing to achieve a neutral tread state when tires are in use
- Casing fabric is woven from thread spun at the Challenge manufacturing facility
- Reinforced polyester casing provides added resistance to moisture damage
- All-around tread design ideal for variable cyclocross conditions
|ISO Diameter||622 / road / 29"|