Year round 4x4 tyre tyre width 315 mm tyre cross section 35 rim diameter 20 inch load index 110 up to 1060 kg speed rating w up to 168 mph rolling resistance c wet grip c noise emission 75 db noise classification nc 2 installation all round tyre sipes asymmetrical tread unidirectional tread 4 longitudinal grooves key performance wet grip comfort reduced rolling resistance