Challenge Gravel Grinder Race Tire - 700 x 38, Tubeless, Folding Group REAR HUB Bear Pawls Sealed

REAR HUB Bear Pawls Sealed Bearing

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They're tubeless sealant friendly

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RIM INNER WIDTH

Challenge Gravel Grinder Race Tire - 700 x 38, Tubeless, Folding Group REAR HUB Bear Pawls SealedIntended 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