abec three but you can change them to ceramics or abec 5's or 7's for more money
1 Answers · Sports · 27/11/2006
... very good but meet no standard rating. It actually very meaningless. ABEC is almost as meaningless. It is an industrial rating for lack...
2 Answers · Sports · 17/07/2008
abec rating and that other stuff have nothing to do with how good a bearing is. neither does freespin. what matters is how precise, clean, and lubed the bearings are, and what they are made of
1 Answers · Sports · 30/10/2010