Challenge Gravel Grinder Clincher Tire - 700 x 42

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.