As a bead apex rubber, a high hardness rubber with {HEAD ~ the modules} at {TAIL ~ 100% stretch} of 78 to 120 kg/cm2 is used 
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As a bead apex rubber , a high hardness rubber with { HEAD ~ the modules } at { TAIL ~ 100 % stretch } of 78 to 120 kg / cm2 is used
OTH OTH OTH OTH 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