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The symptoms of a 3 bearing crank failure?
#9
Except perhaps when racing, cranksahft cracks progress over a long period and the metal which finally lets go is astonishingly thin. If the separated parts do not hammer classiscal fatigue "tide mark" patterns show as the crack progresses in fits and starts. Often stained red where have fretted for ages.
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RE: The symptoms of a 3 bearing crank failure? - by Bob Culver - 09-11-2018, 08:54 AM

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