For cyclists are looking to expand their cycling horizons. That includes roads that may not be suited for normal road tires. Our GravelKing tyre solves that problem. Four widths to suit any rider\'s tastes. Natural rubber compound, puncture protection breaker and a special low rolling resistance casing make the GravelKing a go-anywhere tyre. And tubeless compatible up to 60 PSI! Features: ZSG natural compound Anti-flat casing AX-Alpha cord Weight from 320g Tubeless compatible *Max pressure 60psi Available in Black/Black or Black/Brown Sizes available 700 x 38c, 27.5 x 1.50 – 1.90