Challenge Gravel Grinder TLR Tire 700x42C Folding Tubeless Ready Vulcanized Nylon Black

Challenge Gravel Grinder Race Tire - 700 x 42 Tubeless Folding Black. 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 sm