When performance is crucial, the GravelKing SS R offers the competitive edge on race day, featuring a redesigned casing and construction for optimal performance. - Ideal for gravel, dirt, and rough pavement - TuffTex R provides bead-to-bead protection that represents Panaracer's most supple and lightweight casing to date. This distinctive combination guarantees an exceptionally smooth ride, providing the lowest rolling resistance available in a Gravelking tire - BeadLock is engineered to accommodate a broader range of rims, including both hookless and clincher types. In most instances, mounting the tire can be effortlessly achieved with a standard floor pump - ZSG GRAVEL Compound is crafted from a proprietary ZSG (Zero Slip Grip) material to ensure remarkable resistance to temperature and weather fluctuations. This consistent rubber performance across a spectrum of temperatures provides lower rolling resistance and improved grip - Folding (Aramid) Bead - Tubeless and Hookless Compatible in widths 700 x 30C and wider