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happytheman · 11-28-2011, 10:21 PM

Hubcentric rings essentially fill the gap in the center borehole of the wheel to prevent vibrations from occurring.

Edit: Found this article

Wheel Hub Centric Rings are designed to fill in the gap between the hub of the car and the center bore of the wheel. Most wheel manufacturers design their wheels with a centerbore large enough to fit on most cars. Therefore, since wheel manufactures make their center bore large enough to fit most cars, most wheel fitments have a gap between the hub and the centerbore. This gap usually doesn't allow for the wheel to fit hubcentric but rather lugcentric which causes vibration. Therefore, to fill the gap and ensure the fitment is hubcentric, hub rings are used.

How Hub Centric Rings Work - JustForWheels.com

Here is a spacer with the hubcentric spacer built in:

Here is a lugcentric spacer (our OEM Sport Rays require the hubcentric variety):

11-28-2011, 10:21 PM	#30 (permalink)
happytheman A True Z Fanatic Join Date: Apr 2010 Location: Florida Posts: 10,737 Drives: MB 6M Tour/Sport Z34 Rep Power: 1822	Hubcentric rings essentially fill the gap in the center borehole of the wheel to prevent vibrations from occurring. Edit: Found this article Wheel Hub Centric Rings are designed to fill in the gap between the hub of the car and the center bore of the wheel. Most wheel manufacturers design their wheels with a centerbore large enough to fit on most cars. Therefore, since wheel manufactures make their center bore large enough to fit most cars, most wheel fitments have a gap between the hub and the centerbore. This gap usually doesn't allow for the wheel to fit hubcentric but rather lugcentric which causes vibration. Therefore, to fill the gap and ensure the fitment is hubcentric, hub rings are used. How Hub Centric Rings Work - JustForWheels.com Here is a spacer with the hubcentric spacer built in: Here is a lugcentric spacer (our OEM Sport Rays require the hubcentric variety): __________________ --Brantly-- *PowderCoating by Mike/Stillen/PWJDM/Shine Auto/NST* GTR/Michelin /Fast Intentions/Evo-R/Mobil 1/Motul/Z1 https://facebook.com/CentralFloridaZClub Last edited by happytheman; 11-28-2011 at 10:31 PM.