Summer tyre tyre width 225 mm tyre cross section 50 rim diameter 17 inch speed rating y up to 186 mph rolling resistance c wet grip b noise emission 73 db noise classification nc 3 rim protector sipe asymmetrical tread listed since 12012012 1315 rim protection marking fp mfs fr fl fsl ml rpb tyre size required 22550 r17 erstausrstung audi