Wheel of motor car, has outer spokes with openings closed by portions of outer wall of hollow portion whose surface configuration is different from that of sub-outer spokes

摘要

The wheel has cast-in hollow portions (20) formed in compartments of the inner spokes (60.1) and the outer spokes (60.2). The projections of the hollow portions, in the spoke gaps (50) are cut out after the casting process. The outer spokes are provided with openings (30) closed by portions of the outer wall (20.2) of the hollow portion and outer spoke is divided into sub-outer spokes. The surface configuration of the outer side (24) of the outer wall of hollow portion is different from that of the sub-outer spokes.