When the piste becomes a little off-piste, the need for better tires becomes paramount. If you run 700c road or gravel wheels, you can cut through the crud easier with Panaracer's GravelKing Slick Tires. Panaracer's ZSG Natural rubber compound gives you quick acceleration, there is anti-flat casing under the tread and a base of super-high-density Advanced Extra Alpha cord improves rolling resistance and helps ward off cuts and abrasions. When the road beyond calls for a tire beyond, the GravelKing is the answer.Features: 700 x 28, 700 x 32, 700 x 38 sizes Tubeless compatible in 700 x 38 Black or brown sidewalls ZSG (Zero Slip Grip) natural rubber compound Anti-flat casing AX-A cord for superior rolling resistance and abrasion protection 270g / 290g/ 320g