Sunday 22 November 2009 | Personalise | Help

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Cormac Eason

Posted: 06/10/06 12:39:41 41


Message:	Black spokes are more prone to fatigue failure than silver ones... If I was building wheels for a living I also wouldn't use black spokes (Or would warn anyone who wants them that the wheel isn't likely to be as reliable as a silver spoked wheel). The reason for this seems to be that the coating used to make the spoeks black has a vastly different stiffness to the metal under it, leading to stress building up between the coating and the spoke surface as the wheel is stress cycled, bringing on fatigue failure much earlier then when no coating is present.
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