A wheel assembly kit for a Mecanum wheel is provided. The kit includes a convex hub having a central axis and a perimeter. The perimeter comprises a plurality of flat spoke faces extending therearound. A spoke is releasably couplable to each spoke face. The spoke is alignable on the spoke face in a first orientation for one of left-handed and right-handed drive. When the spoke is rotated ninety degrees about its respective spoke face, the spoke is alignable in a second orientation for the other of the left-handed and the right-handed drive. A method of assembling the wheel assembly is also provided.