Exercise bike frame

Description

FIG. 1 is a first perspective view of exercise bike frame showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a second perspective view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a second side view thereof.

The broken lines in the drawing figures form no part of the claimed design.

Claims

The ornamental design for exercise bike frame, as shown and described.