Challenge Gravel Grinder Pro Tire - 700 x 40, Tubeless, Folding, Black, Handmade

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
• The Gravel Grinder is ideal for hardpack, gravel, sand, loose, and rocky terrains

• Flat Protection: Tread and Sidewall
• TPI: 260
• Color: Black
• Weight: 460
• Defined Color: Black
• ISO Width (mm): 40
• ISO Diameter: 622 / Road / 29"
• Tire Intended Use: Gravel
• Tire Diameter: 700c
• Tire Bead: Folding
• Labeled Size: 700 x 40
• Tire Type: Tubeless Ready Clincher