Thread: Dura Ace 7710 crankset
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Old 06-26-20, 10:45 PM
  #3  
Scrodzilla
Your cog is slipping.
 
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Join Date: May 2009
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90% of the used DA 7710 crank arms I've seen have a damaged Octalink interface because it's REALLY easy to mess up installing them.

The moral of the story: A "good deal" isn't necessarily a good deal.
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