Join Date: Apr 2007
Location: Munising, Michigan, USA
Bikes: Priority Bicycles Continuum, Priority Bicycles Eight
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Hanger alignment when there's no hanger
Fairly regularly now I find myself working on low-end bikes having no derailleur hanger as part of the frame. The hanger ends up being part of the derailleur. And thus the Park Tools hanger alignment gauge is cannot be used.
How does one align such a built-in hanger?