The ornamental design for a spinner for bikehub, as shown and described.
FIG. 1 is a perspective view of a spinner for bike hub showing my new
design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror
image of the side shown herein;
FIG. 3 is an end elevational view thereof; and
FIG. 4 is a perpsective view of a spinner for bike hub showing a second
embodiment of my new design, the differences being in the enlarged central
hub adapter and the reduced length of the spokemembers.