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8 votes
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Does the rear derailleur hanger need lubrication

A rear derailleur has four pivot points in a parallelogram, a bushing in each jockey wheel, and a big pivot to apply B tension. That's 7 different places where corrosion can mess with the operation of ...
Criggie's user avatar
  • 125k
4 votes

Does the rear derailleur hanger need lubrication

The interface between hanger and derailleur doesn’t need lube apart from a smudge of grease before assembly but the main pivot, the parallelogram, and the cage pivot of the derailleur need regular ...
Warren Burton's user avatar
4 votes

What's wrong with my campy derailleur?

Hanger is without doubt bent. You must either replace it or have it properly aligned. That should improve things to the point that either only minor adjustment is required or further diagnosis is ...
Noise's user avatar
  • 14.2k

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