Button of vehicle handlebar

FIG. 1 is a rear perspective view of the button of vehicle handlebar showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear perspective view thereof.

The broken line showing portions of a vehicle handlebar is provided for the purpose of illustrating environmental structure, of which forms no part of the claimed design.