The ornamental design for a wheel, as shown and described.
FIG. 1 is a rear perspective view of a wheel showing our new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; the bottom plan view being identical to FIG. 4;
FIG. 5 is a right side elevational view thereof, the left side elevational view being identical to FIG. 5;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a cross-sectional view thereof, for clarity of disclosure, taken at Line 7-7 shown in FIG. 3.
The broken line showing of the ten apertures and ten bolt holes is included for the purpose of illustrating environment and forms no part of the claimed design.