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Suggestion on keeping crank from coming loose?

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Suggestion on keeping crank from coming loose?

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Old 07-15-18, 06:46 AM
  #26  
meerzistar
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Highly against gluing or welding that. Its more likely to come apart a second time. And if it comes apart and you require some screws to hold your ankle bones in place, I wont say I told you so. New cranks are a good idea.
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Old 07-15-18, 11:19 AM
  #27  
fietsbob
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10 , i suspect there was nicks in the crank arm,(FD cage scraped it on the back side) that were ignored,
and a stress-riser grew from that .

swaged arm , chainring.. it was perhaps not even forged but instead die cast. as well as being 30 years old.
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Old 07-15-18, 11:23 AM
  #28  
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Originally Posted by fietsbob
10 , i suspect there was nicks in the crank arm,(FD cage scraped it on the back side) that were ignored,
and a stress-riser grew from that .

swaged arm , chainring.. it was perhaps not even forged but instead die cast. as well as being 30 years old.
Do you think anyone is going to guess which crank you're talking about correctly? Why not use the quote feature if you're not going to write clear sentences?

There's no picture of a crank with FD wear in this thread. Cranks of all types break sometimes. Do an image search - I just posted one.
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