Panaracer GravelKing Slick Plus Tire - 700 x 45 Tubeless Folding Black/BrownPanaracer GravelKing Slick Plus Tire 700 x 45 Tubeless Folding Black Brown. When tackling the roughest roads the Gravelking Slick Plus offers an additional layer of security precisely where its needed most. Ideal for gravel dirt and rough pavement TuffTex+ increases tire resilience with a dual layer of bead to bead TuffTex material providing additional puncture resistance and heightened security in the most challenging conditions BeadLock is