Bicycle Handlebar

FIG. 1 is front perspective view of a first embodiment of a bicycle handlebar showing our new design; FIG. 2 is an elevational front view thereof; FIG. 3 is an elevational rear view thereof; FIG. 4 is a top plan view thereof; FIG. 5 is a bottom plan view thereof; FIG. 6 is an elevational right side view thereof; FIG. 7 is an elevational left side view thereof; FIG. 8 is a front perspective view of a second embodiment of a bicycle handlebar; FIG. 9 is an elevational front view thereof; FIG. 10 is an elevational rear view thereof; FIG. 11 is a top plan view thereof; FIG. 12 is a bottom plan view thereof; FIG. 13 is an elevational right side view thereof; FIG. 14 is an elevational left side view thereof; FIG. 15 is a front perspective view of a third embodiment of a bicycle handlebar; FIG. 16 is an elevational front view thereof; FIG. 17 is an elevational rear view thereof; FIG. 18 is a top plan view thereof; FIG. 19 is a bottom plan view thereof; FIG. 20 is an elevational right side view thereof; FIG. 21 is an elevational left side view thereof; FIG. 22 is a front perspective view of a fourth embodiment of a bicycle handlebar; FIG. 23 is an elevational front view thereof; FIG. 24 is an elevational rear view thereof; FIG. 25 is a top plan view thereof; FIG. 26 is a bottom plan view thereof; FIG. 27 is an elevational right side view thereof; FIG. 28 is an elevational left side view thereof; FIG. 29 is a front perspective view of the first embodiment of the bicycle handlebar installed on a bicycle; and, FIG. 30 is a rear perspective view of the first embodiment of the bicycle handlebar installed on a bicycle. The broken lines of the bicycle depict the environment and form no part of the claimed design.