Exercise Bike

FIG. 1 is an upper back right perspective view of an exercise bike;

FIG. 2 is a bottom view of the exercise bike;

FIG. 3 is a top view of the exercise bike;

FIG. 4 is a right side view of the exercise bike;

FIG. 5 is a left side view of the exercise bike;

FIG. 6 is a back view of the exercise bike; and,

FIG. 7 is a front view of the exercise bike.

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