The ornamental design for a spacerbar, as shown and described.
FIG. 1 is a perspective elevated view of a spacer bar showing my new design;
FIG. 2 is a perspective bottom view of the spacer bar of FIG. 1;
FIG. 3 is a right side elevational view of the spacer bar of FIG. 1, wherein the left side elevational view is a mirror image of the right side elevational view;
FIG. 4 is a rear end elevational view of the spacer bar of FIG. 1, wherein the front end elevational view is a mirror image of the rear end elevational view;
FIG. 5 is a top plan view of the spacer bar of FIG. 1;
FIG. 6 is a bottom plan view of the spacer bar of FIG. 1; and,
FIG. 7 is an environmental perspective view of the invention thereof.
The broken lines represent the environment in which the design resides and forms no part of the claimed design