strom
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Difference between weapon-grade bearings made in China and Germany First one is Chinese and the other in German.
Looks like the German bearing has much less friction than the Chinese one.
But the price of Chinese bearing is only 1/30 of the German one.
http://www.youtube.com/watch?v=YAuTW2ZWl-g
Looks like the German bearing has much less friction than the Chinese one.
But the price of Chinese bearing is only 1/30 of the German one.
http://www.youtube.com/watch?v=YAuTW2ZWl-g