| 摘要 |
PROBLEM TO BE SOLVED: To easily attach a roof bar aeroattachment to a roof bar even if the roof bar is not replaced, and to reduce a wind noise by changing a cross-sectional shape of the roof bar in a cross-sectional shape capable of reducing the wind noise without replacing the roof bar. SOLUTION: This attachment 1 is inserted from the car body front of a roof bar 2 while vertically expanding the car body rear side of the attachment 1, a projection of the attachment sandwiches a car body front wall and a car body rear wall of the roof bar 2, and a bolt is inserted into a bolt hole to be fixed to the roof bar 2 by a butterfly nut. Thus, since the attachment 1 can be fixed to the roof bar 2 by the bolt and the butterfly nut or a slindingly fitting part, when a cross-sectional shape of the roof bar 2 is a quadrangular shape, since a wind noise can be reduced, even if the roof bar 2 is not replaced with a bar having a shape such as the other example, the wind noise can be reduced only by installing the attachment 1.
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