Panaracer GravelKing X-1 TireThe Panaracer GRAVELKING X1 is a folding gravel tire with an aggressive tread pattern suited to varied gravel, dirt, and rough pavement conditions. The ZSG Gravel compound maintains consistent grip and rolling resistance across a wide range of temperatures, performing reliably from cold to hot. Among GRAVELKING models, the X1 offers the lowest rolling resistance in the lineup. The TuffTex casing provides a supple, high thread count construction with