121. The wheels and their fasteners shall be adequate and comply with the following standards:(1) no wheel stud, nut, bolt, or other fastener shall be missing, cracked, broken, damaged or repaired by welds and each part shall be securely fastened and comply with the dimension and type determined by the wheel manufacturer;
(2) bolts shall extend at least one and a half thread groove beyond fastener nuts, unless otherwise indicated by the vehicle manufacturer;
(3) the wheel shall not be so bent, broken, misaligned, warped, damaged or corroded that its capacity is reduced; it shall not have any crack, elongated bolt hole, signs of repair or welds other than force bands for a spoked wheel and the manufacturer’s original welds;
(4) where the wheel is composed of 2 or 3 parts, it shall not be damaged and the lock ring shall not be bent, unsecurely mounted, cracked, warped, broken, welded, have less than 3 mm clearance at their ends and shall correspond to the rim on which it is mounted;
(5) no cast wheel shall show evidence of wear in the clamp area;
(6) no spoked wheel shall have any missing, broken, bent or slack spokes;
(7) the spacer between dual wheels shall not be damaged, missing, warped, cracked or broken; and
(8) a wheel shall be of the dimension and capacity determined by the wheel manufacturer for the tire mounted on it.