Bicycle Cooler

FIG. 1 is a perspective view of a bicycle cooler, showing my new design. FIG. 2 is a front elevation view thereof. FIG. 3 is a rear elevation view thereof. FIG. 4 is a left side elevation view thereof. FIG. 5 is a right side elevation view thereof. FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. The broken lines shown in the figures depict portions of the article that form no part of the claimed design.