CFR › Title 49 › Part 393 › §393.20549 CFR §393.205Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Wheels and rims shall not be cracked or broken.(b)Stud or bolt holes on the wheels shall shall not be elongated (out of round).(c)Nuts or bolts shall not be missing or loose.