Thread: Derailleur jams when rolling backwards
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Old 12-05-11 | 12:53 AM
  #8  
FBinNY
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From: New Rochelle, NY

Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

Originally Posted by JiveTurkey
Make sure the chain is routed through the RD pulleys correctly--the chain should not touch anything but the pulleys.
+100. it's a very common and easy error to route the chain outside the tab near the middle of the cage.

This will make a sawing sound when you ride, and jam the chain like yours when backpedaling or rolling backward.
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