Challenge Gravel Grinder Tire Features
Intended for all around or dirt/gravel roads, this tire comes equipped with a file tread center and a knobbier shoulder tread.- Intended for all around or dirt/gravel roads, this tire comes equipped with a file tread center and a knobbier shoulder tread.
- File tread center pattern offers low rolling resistance on smoother terrain and increased grip when the road gets rough
- Shoulder tread is more aggressive for corner confidence and additional control