Platform portion of a bicycle carrier rack

FIG. 1 is a perspective view of a platform portion of a bicycle carrier rack;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

The broken lines illustrate environmental structure that forms no part of the claimed design.