Winter tyres tyre width 185 mm tyre cross section 60 rim diameter 16 inch load index 86 up to 530 kg speed rating h up to 130 mph installation all round tyre rolling resistance f wet grip e noise emission 71 db noise classification nc 2 runflat rim protector sipe asymmetrical tread runflat identification ssr csr sst continental run flat technology ssr self supporting runflat tyre rim protection marking fp mfs fr fl fsl ml