FIG. 1 is a front, right and top perspective view of a hub, showing my design.
FIG. 2 is a rear, left and bottom perspective view thereof.
FIG. 3 is a front elevation view thereof.
FIG. 4 is a rear elevation view thereof.
FIG. 5 is a left side elevation view thereof.
FIG. 6 is a right side elevation view thereof.
FIG. 7 is a top plan view thereof.
FIG. 8 is a bottom plan view thereof.
FIG. 9 is an enlarged view of detail 9 in FIG. 1; and,
FIG. 10 is an enlarged view of detail 10 in FIG. 1.
Dot-dash broken lines depict the boundary of the enlarged views and form no part of the claimed design. All other broken lines depict portions of the hub that form no part of the claimed design. The cord is shown with a break in its length; these break lines and any portion of the article between these break lines form no part of the claimed design.