The Challenge Grifo is a steadfast performer in various 'cross condition.
- ⋅ All-around tread design ideal for variable cyclocross conditions
- ⋅ 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
- 405 Grams