The ornamental design for a ledlamp for bicylehandlebars, as shown and described.
FIG. 1 is an environmental view of the LED lamp for bicycle handlebars of the instant invention;
FIG. 2 is a right side view of the LED lamp for bicycle handlebars of the instant invention;
FIG. 3 is a left side view thereof;
FIG. 4 is a front view thereof, with the rear view being a mirror image of the front view;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The portions of the figures illustrated in broken lines depict portions of the LED lamp for bicycle handlebars that are not part of the claimed subject matter.