The Knard tire features a tightly spaced low-block tread pattern, providing the perfect ratio of traction and low rolling resistance. Available in multiple sizes and configurations. Labeled Size: 700 x 41. PSI: 75. ISO Width (mm): 41. ISO Diameter: 622 / Road / 29". Flat Protection: Sidewall. Tire Intended Use: Gravel. Tire Type: Tubeless Ready Clincher. Weight: 660. TPI: 60. Tire Bead: Folding. Tire Diameter: 700c.