FIG. 1 is a perspective view of a first embodiment of a hub of the new design;
FIG. 2 is a front elevational view of the hub of FIG. 1;
FIG. 3 is a rear elevational view of the hub of FIG. 1;
FIG. 4 is a left side elevational view of the hub of FIG. 1, the right side elevational view being a mirror image thereof;
FIG. 5 is a top plan view of the hub of FIG. 1;
FIG. 6 is a perspective view of a second embodiment of a hub of the new design;
FIG. 7 is a front elevational view of the hub of FIG. 6;
FIG. 8 is a rear elevational view of the hub of FIG. 6;
FIG. 9 is a left side elevational view of the hub of FIG. 6, the right side elevational view being a mirror image thereof;
FIG. 10 is a top plan view of the hub of FIG. 6;
FIG. 11 is a perspective view of a third embodiment of a hub of the new design;
FIG. 12 is a front elevational view of the hub of FIG. 11;
FIG. 13 is a rear elevational view of the hub of FIG. 11;
FIG. 14 is a left side elevational view of the hub of FIG. 11, the right side elevational view being a mirror image thereof;
FIG. 15 is a top plan view of the hub of FIG. 11;
FIG. 16 is a perspective view of a fourth embodiment of a hub of the new design;
FIG. 17 is a front elevational view of the hub of FIG. 16, the rear elevational view being a mirror image thereof;
FIG. 18 is a left side elevational view of the hub of FIG. 16;
FIG. 19 is a right side elevational view of the hub of FIG. 16;
FIG. 20 is a top plan view of the hub of FIG. 16;
FIG. 21 is a perspective view of a fifth embodiment of a hub of the new design;
FIG. 22 is a front elevational view of the hub of FIG. 21, the rear elevational view being a mirror image thereof;
FIG. 23 is a left side elevational view of the hub of FIG. 21;
FIG. 24 is a right side elevational view of the hub of FIG. 21;
FIG. 25 is a top plan view of the hub of FIG. 21;
FIG. 26 is a perspective view of a sixth embodiment of a hub of the new design;
FIG. 27 is a front elevational view of the hub of FIG. 26;
FIG. 28 is a left side elevational view of the hub of FIG. 26, the right side elevational view being a mirror image thereof;
FIG. 29 is a top plan view of the hub of FIG. 26; and,
FIG. 30 is a bottom plan view of the hub of FIG. 26.
The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only.