The new Gravel King SS is a perfect middle ground between the Slick and SK models. Part of the newly updated Gravel King line the latest plus model year sees improved durability and puncture protection TuffTex + belting and redesigned bead for improved retention. Fast rolling file style tread down the center with micro knobs on each side and long rectangular knobs on the shoulders strikes a perfect balance for mixed gravel and road use. Features ProTite Shield belting on top of standard Gravel King Tufftex + belting for an extremely durable puncture resistant tire ready for anything