GravelKing SK Plus has a semi-knobby tread pattern with a super tough puncture belt for aggressive Gravel roads. GravelKing SK Plus has side reinforcement with Protite and bead-to-bead nylon puncture belt, resulting in a 4ply, super tough casing. FEATURES: Tubeless compatible Folding (Aramid) Bead with ProTite Shield Plus Protection SPECS: Flat Protection: Tread and Sidewall Tire Intended Use: Gravel Tire Type: Tubeless Ready Clincher Tire Bead: Folding Tire Diameter: 700c