Derailleur Hangar part of the frame

[Fifelad]

I’m looking at a Titanium Bike that has the hangar as part of the frame. As we all know, the hangar is designed to shear for safety reasons and is a separate component in most bikes, I’m a bit confused, and ask the question, why would a manufacturer do this in the first instance, if the hangar is damaged then surely you are scuppered with a whole frame ruined ? I am assuming the hangar is still deliberately weaker ?

 

[Ian H]

Ti and steel bikes often have integral hangers (all mine have). If they bend, you bend them back. Carbon and aluminium are not so forgiving of being bent.

 

[Fifelad]

Got you. I take it you can realign as usual with the hangar alignment tool ?

 

[Ian H]

Got you. I take it you can realign as usual with the hangar alignment tool ?

Yup

 

[Ming the Merciless]

Rather than being a safety feature it’s more a sacrificial item for frame materials you can’t simply bend back into position.

 

[FrankCrank]

They went a stage further with carbon frames. When water splashes on them, the hanger dissolves away, along with the rest of the frame.
Or so I've heard