SR333+ Bearing Type Applicable to transport vehicles of medium-and-long distance, and all-wheel in all different kinds of road. Three-polyline vertical groove design provided anti-sideslip and wet-slide resistance. The wide and deep horizontal groove pattern can produce a powerful driving force, which can maintain excellent grip performance in all different kinds of road. The enhanced crown design can provide high-bearing capacity, super abrasion-resistance and excellent blast-resistance ability. The special strengthening design in tyre bead makes it become stronger. Size: 12.00R20/11.00R20