FIG. 1 is a right side elevation of a bicycle frame of our new design having a flat side, shown as might optionally be used with surrounding structure, which is shown in broken lines for illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a top elevation of a bicycle frame according to of our new design;
FIG. 3 is a bottom elevation thereof;
FIG. 4 is a front elevation thereof; and,
FIG. 5 is a back elevation thereof.
The left side elevation of a bicycle frame according to our new design is a mirror of the bicycle frame illustrated in FIG. 1.