Vee Tire Co. Mission Command Fat Bike Tire: 20" x 4" 120tpi Folding Bead MPC Continuous Center tread pattern knobs roll fast and diamond shaped shoulder knobs grip hard on the sides for added traction and steering control for a smooth ride on the trail Tubeless Ready increases puncture resistance, allows for a controlled ride on low air pressure, and reduces rolling resistance MPC (Multipurpose Compound) is designed for durability on all terrains ISO Diameter: 406 / 20" BMX ISO Width: 102