one secondary groove is provided outward of each third main groove in the tire width direction, a groove width of the secondary groove being narrower than that of the third main groove, and {HEAD ~ the secondary groove} extending in {TAIL ~ the tire circumferential direction}, 
extending in
one secondary groove is provided outward of each third main groove in the tire width direction , a groove width of the secondary groove being narrower than that of the third main groove , and { HEAD ~ the secondary groove } extending in { TAIL ~ the tire circumferential direction } ,
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH