Summer tyre tyre width 225 mm tyre cross section 45 rim diameter 17 inch speed ratings w up to 168 mph zr over 150 mph rolling resistance e wet grip e noise emission 72 db noise classification nc 3 rim protector sipe symmetrical tread listed since 22052015 1455 rim protection marking fp mfs fr fl fsl ml rpb tyre size required 22545 r17