Challenge Gravel Grinder Gravel Tire Specs:700x42C, Folding, Clincher, Vulcanized, Nylon, 120TPI, Black • Silver anodized alloy rim

• Silver anodized alloy rim w/ 32 holes

36" replaceable rubber hose

Designed with a V-neck and interlock construction

NB DRY moisture-wicking technology

Challenge Gravel Grinder Gravel Tire Specs:700x42C, Folding, Clincher, Vulcanized, Nylon, 120TPI, Black • Silver anodized alloy rimMake 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. Primary Color : Black e Bike approved : No Bead :