How do I know if I have them besides taking a wheel off? I went from Style 58 18" OEM to Style 177 20" Aftermarket Replica's. The guy who did the install said he didn't use rings, but I wonder if there were some already there?

Are there different size rings for different size rims!?

I have heard that OEM style rims (and replicas) are not hub-centric so they require rings. Is this true?

Confused.

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