Thread: Di2 chain slipping - then suddenly gone. Any ideas/explanations?
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Old 01-30-21 | 11:53 AM
  #18  
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oldbobcat
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Originally Posted by wgscott
[MENTION=464659]NoWhammies[/MENTION]: They are on the inside of the large chain-ring, and are designed to hook onto the chain and help lift it up to the larger chain-ring in the course of a shift.


That chain looks badly worn.
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