Search on eBay, just buy a used TL/CL rim/tire and use it as a spare. Please know that the bigger wheel/tire will not fit into the spare tire well.
__________________
Honda-Acura.net Vigor/TL/CL Forum Moderator.
Comptech Icebox, Headers, Exhaust, Lowering Springs and Sway Bars. Mugen front grille. Inspire tailamps. MOMO Sport 18 X 7.5 +42 offset. Axxis Metal Master front/rear pad. 2 Polk/MOMO 10" subs, Orion Xtreme 500.4 amplifier and Alpine CD changer.