Arisun Sharktooth 26x4.0 Studded Folding TireArisun Sharktooth 26x4.0 Studded Folding Tire has 152 Tungsten Tipped studs with zinc plated steel base. 3 V shaped directional Stud design to maximaize Grip, Control and stability in Snow, Ice and All Terrain. Folding Bead at 60 TPI with a weight of 1499gms.6938112668693