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Old 07-05-06, 09:24 AM
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Al1943
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Bikes: Trek 5500, Colnago C-50

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Originally Posted by gernot
I would think that radially laced left spokes are under less tension than 2 or 3 cross right side spokes on a dished wheel, so Shimano's concern about hub flange breakage with radial lacing should not be an issue with half radial. But would they use that as a reason to void the warranty anyway?
Spokes with higher tension do less damage to hubs than spokes with lower tension. The lower tension spokes flex more. The thing about radial lacing is that stresses are carried directly toward and away from the hub whereas with tangential crossed lacing stresses are relieved on an angle and shared through the crossings. This is explained well in the Jobst Brandt book "The Bicycle Wheel".

I've always wondered if a 1-cross pattern could be the compromise that would preserve the warranty.

Al
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