[///M-Night]

Originally Posted by Andrew@StrasseWheels

Thank you for your question and I will be more than happy to explain that for you! The "Performance Spec Weight Reduction" involves introducing hollow chambers into the wheels center pad in different places depending on the wheel type and/or style. This process significantly reduces weight, even by several pounds per wheel in some cases. The weight removed, the unsprung mass of the wheel, improves the vehicles handling and performance.


Strasse Wheels - R10 Deep Concave 3 Piece (7) by Strasse Robs, on Flickr

If you have any further questions feel free to ask

Thanks for the info! Didn't know that was available. I know who too call when wheels are on my list!