They're just a ring that match the bore of the wheel to the hub diameter. Nothing difficult... and normally $ 10-$15 for a set.
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They're just a ring that match the bore of the wheel to the hub diameter. Nothing difficult... and normally $ 10-$15 for a set.
It adds to the strength and makes mounting easier. There are aluminum ones you can get.... though I just run the plastic ones.
I honestly dont focus on whether wheels are hubcentric or not because it greatly reduces the options. I pick out a wheel I like, and if its not hubcentric I get the rings.