| 摘要 |
A cross member extends in a vehicle width direction and has opening portions at end portions in the vehicle width direction. The cross member includes a cross member main body, a closing plate, and a cylindrical spacer. The end portion of the cross member main body in the vehicle width direction includes a recessed portion on a side of the cross member main body opposite to a side on which the cross member main body is opened, the recessed portion being recessed toward the inner surface side. |
