A wheel assembly includes {TAIL ~ a first hub assembly} sealingly engageable with {HEAD ~ a first axial opening} in one side of a tire 
A wheel assembly includes { TAIL ~ a first hub assembly } sealingly engageable with { HEAD ~ a first axial opening } in one side of a tire
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH