The ornamental design for a wheel, substantially as shown.
FIG. 1 is a front perspective view of a wheel showing my new sign.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a greatly enlarged sectional view thereof taken along line 4--4
in FIG. 2, it being understood that a portion of the wheel rim has been
broken away for convenience of illustration.