wear resistant tread compound;

resilent center compound;

suoer base compound;

high tensile creel beads.

other size              ply rating

8.25-12                  12

8.25-15                  14

16*6-8                   10

17*7-8                   10/14

21*8-9                   10/14

23*9-10                  12/14/16

17*10-12                 12/14

28*9-15                   14/16

250-15                     16/18/22

300-15                     20