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Roval CLX 50 Multiple Spoke Failure

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Roval CLX 50 Multiple Spoke Failure

Old 10-02-17, 08:35 PM
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Roval CLX 50 Multiple Spoke Failure

I am new to the forum and I am desperate to get some serious advice from bike experts.

Last Tuesday, I was on a routine training ride at a local bicycle trail. On my way back to parking lot, I heard a loud noise of tensioned metal and I fell off from the bike.

After recovering from the fall, I did not understand why. Since the tube is fully inflated (I always check air pressure before every ride since I have Vittoria Latex Tube), no tears on the tire, and no damages on the rim surface. Also, I checked the site of the accident. There was no potholes, cracks on the paved road, branches, or any other thing that can harm the spokes. I checked the rear side of the folk and there were no damages.

I believe that DT-Swiss Aerolite spokes are the reason for the failure. Since broken spot of the spoke is in the transition between blade and round. I believe that is the weakest point of the spoke.

Today, I called Specialized and they wanted me to drop off the bicycle at local bike shop. I wonder how Specialized handles this case.

(I was trying to upload urls for the pictures but denied due to post restrictions. Here is a google drive link)

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Old 10-03-17, 12:45 AM
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Usually spokes fail at the elbow. Or at the nipple, if the wheel has been built with too many crosses.
Sometimes fretting right at the cross can cause a weak spot that triggers a failure.
Neither of which applies to you.
The transition from bladed to round is not generally known as a failure point.
Overall, mid-length breaks are rare.
Unless caused by physical damage, sometimes exposure to corrosive chemicals can cause embrittlement.
I too would be interested to hear what the dealer says.
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Old 10-03-17, 05:21 AM
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Ouch. Ouch in the pocketbook as well. Good you are ok.
Maybe not enough spokes. 21 spokes on a disc wheel might not be enough.
I ride 32 x3 for I am old school still on rim brakes.
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Old 10-03-17, 09:24 PM
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That is crazy! Dangerous too. Glad you're okay.
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