Challenge Tires Gravel Grinder

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.

PPS
- The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.