Subject: RE: Flo Cycling- Group buy?Very good post on bearings. Which ABEC or ISO bearing classes do we use in bike hubs? I've always wondered. I've had the sense that run out and eccentricity of bike bearings weren't quite relevant in the old days like they were with higher precision machinery. But now that bikes use sealed bearings, what sort of precision is typical? on edit: beston, who clearly read my mind, beat me by two minutes! Edited by Pacific John 2011-07-04 6:59 PM
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