The ornamental design for a bicyclerack, as shown and described.
FIG. 1 is a perspective view of the bicycle rack of my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The back elevational view is the same as the front elevational view shown in FIG. 2, and the right side elevational view is identical to the left side elevational view shown in FIG. 3.