Old 01-22-17 | 06:55 PM
  #5  
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79pmooney
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Joined: Oct 2014
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From: Portland, OR

Bikes: (2) ti TiCycles, 2007 w/ triple and 2011 fixed, 1979 Peter Mooney, ~1983 Trek 420 now fixed and ~1973 Raleigh Carlton Competition gravel grinder

Chain and sprocket histories matter. Is this a new chain with a new sprocket? If the chain has seen use with a FW or cassette, it can be "stretched" and now longer run smoothly on a new cog. A new chain on a used cog can also give you issues.

Also, are your sprocket and cog compatible widths? You can run a wider chain on a narrow cog but not a narrower chain on a wide cog.

Ben
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