The ornamental design for a bicyclelight, as shown and described.
FIG. 1 is a top left perspective view of a bicycle light according to the present invention.
FIG. 2 is a top perspective of the bicycle light of FIG. 1.
FIG. 3 is a bottom perspective of the bicycle light of FIG. 1.
FIG. 4 is a left side perspective of the bicycle light of FIG. 1.
FIG. 5 is a front perspective of the bicycle light of FIG. 1; and,
FIG. 6 is a rear perspective of the bicycle light of FIG. 1.
The double-dot dashed lines in FIG. 1 illustrate environment, and form no part of the claimed design. The double-dot dashed lines in FIG. 3 illustrate a rectangular attachment location and a round fastener, respectively, and form no part of the claimed design. The right side of the bicycle light according to the present invention is a mirror image of the left side of the bicycle light as illustrated in FIG. 4, and is omitted.