Rampart excels on minimum maintenance roads and decaying pavement routes. Rampart is made for riders who wish to conquer any road Tread pattern features a center slick for a smooth-rolling ride and triple siping on the transition and side lugs for traction in loose areas Light & Supple casing provides a comfortable ride Fast compound minimizes rolling resistance and maintains abrasion resistance Tubeless ready for flat prevention, lower-pressure traction and comfort Ideal rim width: 23mm Tire Diameter: 650b Labeled Size: 650b x 47 ISO Diameter: 584 / 650b / 27.5" ISO Width: 47mm Tire Intended Use: Gravel Tire Type: Tubeless Ready Clincher TPI: 60 Max Pressure: 70 psi Tire Bead: Folding