Ummm, the brake rotor isn't held onto the hub by the hub nut. The caliper is what holds the rotor in place. Once you take the caliper off you can remove the brake rotor.
2004 Focus PZEV 2.3L - KW sport suspension, SP camber plates, Eibach front swaybar, FS intake, FS Stealth exhaust, 3.82 Final, Torsen ATB, Prothane MM insert, E1 CSVT wheels
1/4 mile - 15.201@89.4mph
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