The ornamental design for a bicycledisplayrack, as shown and described.
FIG. 1 is a perspective view of the bicycle display rack showing my design,
the broken lines are for illustrative purposes only and form no part of
the claimed design;
FIG. 2 is a typical side elevational view of the bicycle display rack of
FIG. 1; and,
FIG. 3 is a top elevational view of the bicycle display rack of FIG. 1.