Old 10-17-18 | 03:34 PM
  #10  
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Homebrew01
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Joined: Jul 2004
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From: Ffld Cnty Connecticut

Bikes: Old Steelies I made, Old Cannondales

With my 2x I have never noticed the chain try to jump off either chainring by itself, so I don't see the need for a front deraiileur with 1x on a road bike.
Perhaps mtn biking or cyclocross would have enough bouncing etc to cause a chain jump.
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