| 摘要 |
A swing arm (S) for motorcycle, comprising a pair of arm parts (10) pivotally mounted on a body frame and a body part (20) connecting the pair of arm parts (10) to each other, wherein the arm part (10) and the body part (20) have hollow parts, and foam resin is filled into at least a part of the hollow parts of the arm part (10) and body part (20). <IMAGE> |
