The ornamental design for a member of a frame for a bike, as shown and described.
FIG. 1 is a perspective view of a member of a frame for a bike showing my new design;
FIG. 2 is a left side elevational view showing the design for the frame member of FIG. 1;
FIG. 3 is a right side elevational view showing the design for the frame member of FIG. 1;
FIG. 4 is a front elevational view showing the design for the frame member of FIG. 1;
FIG. 5 is a rear elevational view showing the design for the frame member of FIG. 1;
FIG. 6 is a top elevational view showing the design for the frame member of FIG. 1; and,
FIG. 7 is a bottom elevational view showing the design for the frame member of FIG. 1.
The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the frame member and form no part of the claimed design.