The GravelKing SK+ enhances protection precisely where it&';s needed, ideal for navigating the most challenging terrain. The TLR models are Tubeless Compatible up to 60 PSI Ideal for gravel, dirt, and rough pavement Fast rolling center blocks with raised shoulders ZSG Gravel Compound (Zero Slip Grip) - Low rolling resistance, consistent in hot and cold temperatures, with strong grip on or off-road TuffTex+ Casing - Dual Layer of puncture protection. Additional security against punctures. Extra strong and supple BeadLock Bead - Designed to work with hookless and hooked clincher rims, easily installed with floor pump, and provides additional rim protection Available in Black Tread and Black or Brown Wall Colors TLR and Hookless Compatible Folding (Aramid) Bead New ECO-Friendly packaging made from recycled materials Tire Diameter: 27.5" (650b) ISO Diameter: 584 / road / 650b ISO Width: 48mm Intended Use: Gravel Labeled Size: 650b x 48mm Flat Protection: Tread and Sidewall Max Pressure: 60psi (tubeless); 80psi (tubed) Tire Bead: Folding Tire Type: Tubeless Ready Clincher