The ornamental design for a wheelsegment, as shown and described.
FIG. 1 is a perspective view of a wheel segment showing our new design in use condition, the broken line showing of extra wheel segments form no part of the claimed design;
FIG. 2 is an enlarged perspective view of the wheel segment of FIG. 1;
FIG. 3 is a front view thereof, the rear view being identical thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a right end view thereof, the left end being identical thereof.
The broken line showing of the body of the wheel assembly in FIG. 1 is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.