Dude, shut up he's asking a good question. No one really ides Slamm products. But I don't really care about bearings. If they work and hold up they're good.
These pages explains EVERYTHING you need to know.
http://www.danscomp.com/serve/products%7Ccharts/headsetchart.htm
http://chrisking.com/files/pdfs/Int20HeadsetsExplained.pdf
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