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Ryde Andra 40 Rim Binding Nipples

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Ryde Andra 40 Rim Binding Nipples

Old 01-21-18, 11:34 AM
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touringiscool
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Ryde Andra 40 Rim Binding Nipples

I am Having trouble with the Ryde Andra 40 Rim because the nipples are binding in the wall of the rim causing the nipples to shear while tightening. It would seem that the nipple recesses are drilled to deep causing the nipples to bind in the rim.

Also one of the nipples pulled through the rim suggesting that the aluminium is too soft a metal for the application or the holes in the rim are too large.

In the pictures you can see the swarf created by the edge of the nipple head cutting into the wall of the rim.

I wonder if anyone else has the same issue, could the nipples need nipple washers or is this a manufacturing fault?



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Old 01-21-18, 11:50 AM
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Did the wheel come this way? I'm guessing maybe there's too much tension of the spokes.
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Old 01-21-18, 12:54 PM
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Their website claims that the rim will withstand 140k of tension so I don't think you over tightened the spokes. Sounds like you may have bought a dud. See what the manufacturer says.
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Old 01-21-18, 04:50 PM
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I think what you see in the photos is a result of using a power nipple driver with a bit too much glee. All 3 nipples show the top of the head being cut down by a powered bit. Cut down the nipple head enough and it breaks sooner then it should. As nipples have a smooth contact surface WRT the rim I highly doubt a nipple would cause said rim damage.


I very much suspect a wheel building screw up.


So a few questions- Are the nipples brass or AL? When you say "shear" do you mean break into two pieces? Or do you mean that the spoke wrench slips and rounds off the nipple flats? Andy
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Old 01-22-18, 07:15 AM
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They were brass nipples. No power driver was used. The maximum tension on the nipples was 130KgF. I'm wondering if the holes were to big.
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Old 01-22-18, 08:10 AM
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Appologies in advance for an obvious and stupid question, but just in case: were the nipples (and spoke threads) lubricated before tightening?
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Old 01-22-18, 09:43 AM
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Nipples were lubricated
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Old 01-22-18, 11:56 AM
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The words "crowbar" and "sandbox" come to mind.

BUT, since this rim seems to be popular for e-bikes and really heavy loads, it's possible yours was in fact drilled for larger spokes and nipples than normal. Double-check your ordering info to see if it had 4.5mm or 5.5mm spoke holes.
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