It is preferable that a ratio of {HEAD ~ a width} in {TAIL ~ the axial direction} on an upper side of the bead core to a width in the axial direction on a lower side of the bead core should be equal to or higher than 30% and be equal to or lower than 70% 
It is preferable that a ratio of { HEAD ~ a width } in { TAIL ~ the axial direction } on an upper side of the bead core to a width in the axial direction on a lower side of the bead core should be equal to or higher than 30 % and be equal to or lower than 70 %
OTH OTH OTH OTH OTH OTH OTH 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 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