... resistance 2.anti-stab bar ,wear resistance DULCINEA radial tireSIZETubePRSpeedratingstandard rimtread depth10.00R20TT18J7.501911.00R20TT18J8.002012.00R20TT18K8.5020 ... with the same specification, brand, size, pattern Radial and bias tyre should not be mixed on one ... fixed on outside wheel Under general case, the radial tyre should interchange position per 12000kms-15000kmsSAFE DRIVING Interchange ...