Challenge Gravel Grinder Tire 700x42C Folding Clincher Vulcanized Nylon 120TPI Black

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Make your mark on the gravel scene with the Gravel Grinder

This tire combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy

This clincher with 120TPI nylon casing provides both performance and durability.

Includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures.