Bicycle Handlebar

FIG. 1 is a rear perspective view of a bicycle handlebar embodying my new design; FIG. 2 is a front perspective view thereof; FIG. 3 is a front elevation view thereof; FIG. 4 is a rear elevation view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; FIG. 7 is a right side elevation view thereof; and, FIG. 8 is a left side elevation view thereof. The broken lines illustrate portions of the bicycle handlebar that form no part of the claimed design. The dash-dot broken lines immediately adjacent to the claimed areas in the views represent the boundaries of the design and form no part thereof.