Shock Absorber

FIG. 1 is a front view of an embodiment of a shock absorber according to the claimed design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top perspective view thereof;

FIG. 5 is a bottom perspective view thereof;

FIG. 6 is an enlarged top plan view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof.

The broken lines shown represent the portions of the shock absorber that form no part of the claimed design.