Summer tyre tyre width 225 mm tyre cross section 45 rim diameter 17 inch speed rating w up to 168 mph rolling resistance f wet grip b noise emission 73 db noise classification nc 3 runflat rim protector sipes 3d bar asymmetrical tread listed since 27052013 1707 rim protection marking fp mfs fr fl fsl ml rpb tyre size required 22545 r17