Hubcentric rings

[Nadim 323Ci]

I need hubcentric rings for my new wheels, 74.1mm to 72.6mm (less than 2mm thick).

Should I go for poly-carbonate, or aluminum rings? Price difference is minimal anyway. These wheels will NOT be used on the track.

[blacksheep]

my plastic centering rings survive track use

I don't think they're polycarbonate, they look like bakelite or some graphite-impregnated plastic ... very stiff and brittle (each has a developed a radial crack all the way through) but they don't seem to melt

I'm worried about aluminum rings seizing to the hubs and prefer not to apply anti-seize anywhere near the brake rotors

[PassatVR6]

Ive used both, don't like plastic. alum is good only if you put a ton of anti seize.