The ornamental design for a two-part telescopic shock absorber, as shown and described.
FIG. 1 is a rear perspective view of a piston serving as a damper or bumper, the piston having an outer body portion with multiple flat attaching flanges arranged one above another;
FIG. 2 illustrates an adjustable rear support having horizontal flanges on an outer side thereof and capable of being mounted at various height positions on the flat attaching flanges of the outer body portion of the piston of FIG. 1;
FIG. 3 is a perspective view showing the adjustable rear support of FIG. 2 attached to a rear side of the piston of FIG. 1;
FIG. 4 is a cut-way view of the adjustable rear support of FIG. 2 attached to the outer body portion on the rear side of the piston of FIG. 1;
FIG. 5 is a perspective view of the adjustable rear support of FIG. 2 and the piston of FIG. 1, the arrow indicating that the adjustable rear support is attached in an upward position;
FIG. 6 is a perspective view of the adjustable rear support of FIG. 2 and the piston of FIG. 1, the arrow indicating that the adjustable rear support is attached in a partially downward position;
FIG. 7 is a perspective view of the adjustable rear support of FIG. 2 and the piston of FIG. 1, the arrow indicating that the adjustable rear support is attached in a further downward position; and,
FIG. 8 is a perspective view showing an adjustable rear support having vertical flanges on an outer side thereof and being attached to a rear side of the piston of FIG. 1.