The ornamental design for a bicycle pedal, as shown and described.
FIG. 1 is a perspective view of the bicycle pedal in accordance with my new design;
FIG. 2 is a top plan elevational view of the bicycle pedal in accordance with my new design, with the bottom plan view being a mirror image;
FIG. 3 is an inside edge elevational view of the bicycle pedal in accordance with my new design;
FIG. 4 is an outside edge elevational view of the bicycle pedal in accordance with my new design; and,
FIG. 5 is a rear edge elevational view of the bicycle pedal in accordance with my new design, with the front edge elevational view being a mirror image.