This Material Pack is 100% Made in Substance Designer that Provide numbers of realistic Wheel Rings in any colors in short time Without any complicated modeling.

You will get ;

22 PBR Material .SBSAR  Albedo(custom colors for each Ring), Normal, AO, Roughness, Height and Transparency for each material that you can export from substance player or any software that read .sbsar . Sample Unwrapped FBX Model

you can download free materials here : https://www.artstation.com/a/989240