| 摘要 |
PROBLEM TO BE SOLVED: To provide a saddle-type vehicle cast wheel integrally having a hub through which an axle is inserted, a rim coaxially surrounding the hub, and a plurality of spokes for coupling the hub and the rim to be cast-formed, and capable of increasing the strength of the rim while avoiding the enlargement of the hub, reducing weight and improving an appearance.SOLUTION: A spoke 15 integrally includes a main spoke part 15a extending from a hub 13 toward a rim 14 side and tapered toward the rim 14 side, and a solid branch spoke part 15b branching into two from the main spoke part 15a to be continuous from the rim 14, and is formed into a Y shape, the part of the main spoke part 15a stretching from the hub 13 to the branch part 20 of the branch spoke part 15b is provided with a spoke side hollow part 22 inside and is formed into a hollow closed sectional shape, and an opening 23 is formed in at least the branch part 20 of the spoke 15 to communicate with the spoke side hollow part 22.SELECTED DRAWING: Figure 3 |
