A suspension system includes {TAIL ~ a frame mount assembly}, a swing arm assembly and {HEAD ~ an air spring} 
A suspension system includes { TAIL ~ a frame mount assembly } , a swing arm assembly and { HEAD ~ an air spring }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD