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Using a different spoke

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Using a different spoke

Old 01-11-17, 12:33 PM
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Using a different spoke

While I was truing my Bongrader rear wheel a nipple on a RS spoke split. I tried to remove the split nipple, but I was unsuccessful. Usually I can remove a rounded nipple, but this time the leftover part was too small to grab. So I cut the spoke assuming I had a spare, but I didn't.
I tried locating the spoke (290X2.3X1.0 bladed), but so far I haven't.
Instead I used temporarily a DT DB (1.5/1.6).
During the truing I needed to tighten this spoke slight more to true the wheel, but as I tried to tension the spoke it reached a point where the tension wouldn't increase neither would the rim move.
I suspect that the spoke had reached its elastic limit. So I left it as is which is good enough.
Any comments on using a different spoke on a wheel is appreciated.
YannisG
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Old 01-11-17, 12:39 PM
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just get one of a similar length.. (my LBS deals with cycletourists with a broken spoke all summer long)

Bladed spokes Do let you hold onto the flat with a little crescent wrench, to resist wind up.
Trek Bontrager has some bladed wheels , so there is a notched tool to hold the blade..

but With plain round single gage spokes the de stressing can be dellt with.

I probably have to see your wheel to really do much
Do you grease or anti-sieze the threads on the spoke?




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Old 01-11-17, 12:43 PM
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Using a spoke with a different section is OK, just so long as you don't rely on audible tone to match the tension to it's neighbors. The tone will be different at the same tension.
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Old 01-11-17, 12:45 PM
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Thanks for responding. Boy that was quick!
Of course I use the tool to prevent spoke twist.
I tension relieved the wheel twice, but this particular spoke show the same behavior.
My question is whether the spoke was nearing its elastic range.
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Old 01-11-17, 01:02 PM
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Originally Posted by yannisg
Thanks for responding. Boy that was quick!
Of course I use the tool to prevent spoke twist.
I tension relieved the wheel twice, but this particular spoke show the same behavior.
My question is whether the spoke was nearing its elastic range.
YannisG
That should be obvious.

I assume you meant a DT 15/16 GAUGE? That's 1.8/1.6MM.
I won't use thinner than 1.8MM on the DS because of the exact reason you are experiencing.
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Old 01-11-17, 01:13 PM
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Thanks for responding.
After re-measuring the spoke the actual measurements are 1.5mm in the middle and 1.8 close to the nipple.
I should go to a thicker gauge to avoid this then?
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