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Weird crack in crank



 
 
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  #1  
Old May 18th 17, 07:48 PM posted to rec.bicycles.tech
coatofsolidgold@gmail.com
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Default Weird crack in crank

I recently removed my pedals for transport and realized that the blemish I previously dismissed as a strange scratch in the crank must surely be a crack.
It is at the end of the right crank arm, in the middle, well around, and _parallel with the plane of the chainrings_. That is, if it were to prpogate, it would split the pedal theads in half, left and right.
I will replace it, but has anyone ever seen this?
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  #4  
Old May 20th 17, 02:56 PM posted to rec.bicycles.tech
avagadro7@gmail.com
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Default Weird crack in crank

On Thursday, May 18, 2017 at 2:48:10 PM UTC-4, wrote:
I recently removed my pedals for transport and realized that the blemish I previously dismissed as a strange scratch in the crank must surely be a crack.
It is at the end of the right crank arm, in the middle, well around, and _parallel with the plane of the chainrings_. That is, if it were to prpogate, it would split the pedal theads in half, left and right.
I will replace it, but has anyone ever seen this?


IF riding 20 year old bike definitely clean n magnifying glass stressed areas as 'alloy' metallurgy has changed

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https://www.google.com/#q=AMAZON+MET...=1495288368602
 




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