Challenge Grinder Race 700C X 42 Gravel Tire

Grinder Vulcanized TLR Tubeless 700C x 38 Gravel Tires. The size: 700C / 38. Micro blocks in the center with a diamond shape for high rolling speed on gravel roads and asphalt and larger blocks on the outside that are just perfect for soft sand, mud or tight corners. And cornering, comfort, maximum control, high volume, all-round tires for rough, paved, dirt or gravel roads.