NON-PNEUMATIC TIRE AND RIM ASSEMBLY

A non-pneumatic tire and wheel assembly (10) is disclosed comprising a rim (40) and a spoke ring structure (20) having an inner ring (22) that is mounted on an outer surface of the rim (40). The inner ring (22) has one or more retention nubs (24) aligned for reception in complementary shaped grooves (42) on the outer surface of the rim (40). The spoke ring structure (20) has a plurality of spoke members (60, 62) and an outer tread ring (30) mounted on the outer circumference of the spoke ring structure (20). The non-pneumatic tire and wheel assembly (10) assembly may be formed by three-dimensional printing.