Winter 4x4 tyre kennzeichnungen ms snowflake symbol tyre width 205 mm tyre cross section 70 rim diameter 15 inch load index 96 up to 710 kg speed rating s up to 112 mph rim protector rolling resistance g wet grip f noise emission 72 db noise classification nc 2 installation all round tyre sipe unidirectional tread customer benefits equal grip distribution main strength high traction