I am trying to replace the tires but these rims have a special tool that removes the plastic caps that cover the lugnuts. The tool looks like a "U" with hooks on the end to grab the cap:
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I don't know if that will display right, but it should give you an idea. Does anyone know if I can buy this tool at an autosupply/tire store, or if I have to get it from AT Italia?
Thanks, Chris