The ornamental design for a handlebargrip for a motorcycle, as shown and described.
FIG. 1 is a top perspective view of a handlebar grip for a motorcycle;
FIG. 2 is a side view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is an enlarged fragmentary view of the area 5 in FIG. 2, shown separately for clarity of the surface contours of the article.
The broken lines in FIGS. 1, 2 and 5 are included for environmental purposes of the handlebar grip for a motorcycle, and form no part of the claimed design.
The broken lines in FIG. 4 indicate that the interior surface of the handlebar grip for a motorcycle forms no part of the claimed design.