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Old 03-24-19, 02:22 PM
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reburns
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Join Date: Apr 2012
Location: Saratoga, CA
Posts: 270

Bikes: 2005 Trek T2000; 2005 Co-motion Speedster Co-pilot; various non-tandem road and mountain bikes

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24 spoke rims. The wheel has been true and trouble free since new. Tough to come up with hypotheses for cracks on the inner holes. Maybe like the unground weld portals on the new San Francisco transit centerís cracked beams, perhaps the drilling left microscopic stress riser points that initiated cracks after repeated rim flex cycles? Dunno, Iím grasping at straws, but I did send a note and picture back to Spinergy.
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