Challenge Gravel Grinder Pro Road Tire Specs:700x36C, Folding, Tubeless Ready, Smart, SuperPoly, PPS2, 260TPI, Tanwall • Keep your feet dry

• Keep your feet dry and warm when riding in the worst conditions

American football cleats made in part with recycled materials

offering excellent visibility

• Width: 5

• No cut-out

Challenge Gravel Grinder Pro Road Tire Specs:700x36C, Folding, Tubeless Ready, Smart, SuperPoly, PPS2, 260TPI, Tanwall • Keep your feet dryMake 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 handmade clincher combines a supple, 260TPI SuperPoly casing with natural rubber tread for long distance comfort, confident cornering, and quick handing. Includes PPS2, a combination of our sub tread Puncture Protection System and an