The Challenge Gravel Grinder is for hardpack, sand, loose and rocky surfaces
Handmade Tubeless Ready for maximum comfort and low rolling resistance
Excellent puncture protection when combined with the appropriate tubeless sealant
SuperPoly for durability and stability on rough roads
Puncture protection strip
260 TPI SuperPoly casing
Weight: 33mm: 390g, 36mm: 420g
Overview
Additional Info
CHALLENGE Gravel Grinder Pro TLR Tire
Make your mark on the gravel scene with the Challenge Gravel Grinder Pro TLR. 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.
