A button arm advances toward the wheel in an axial direction to cause a second sector of the tire beads to pass over one of the wheel flanges and position {HEAD ~ the tire beads} within {TAIL ~ the second sector} within a well that is defined between the flanges of the tire  
within
A button arm advances toward the wheel in an axial direction to cause a second sector of the tire beads to pass over one of the wheel flanges and position { HEAD ~ the tire beads } within { TAIL ~ the second sector } within a well that is defined between the flanges of the tire
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH