Panaracer GravelKing SS Tire - 700 x 45 Tubeless Folding Black/BrownPanaracer GravelKing SS Tire 700 x 45 Tubeless Folding Black Brown. The GravelKing SS was the pioneering choice and remains the optimal selection for a smooth center tread gravel tire delivering exceptional cornering grip. Ideal for gravel dirt and rough pavement TuffTex boasts a supple high thread count casing fortified with precisely engineered bead to bead puncture protection BeadLock is engineered to accommodate a broader range of rims including