Bent Derailleur Hanger Aluminum Frame

If the hanger was built into the frame and it was badly bent or broken it could mean having to replace the entire frame.

Bent derailleur hanger aluminum frame.

It is often possible to repeatedly re bend many derailleur hangers. That s why the derailleur hangers became a standard for any aluminum bike and eventually for any frame. A common cause of a misaligned hanger is from the bike falling over to the right side. So i m left with the choice of straightening this light aluminium alloy thing.

Today i get my spare and i was able to repair it v. The reason most non ferrous bicycles have replaceable derailleur hangers is because hangers can get bent or even broken simply from the bike falling over. On most bikes this is a replaceable piece of aluminum which is designed to bend or break when stressed rather than causing costly damage to your frame. Aluminum alloys and it can be bent realigned reasonably many times before it cracks.

So replaceable hangers are a very good thing. Steel is much more ductile than e g. Until it eventually broke and you would need a new frame. This pushes the derailleur body inward bending the hanger.

The derailleur hanger is the piece of metal that the rear derailleur attaches to near the rear axle. I have a bike route cr1 scott of 2009 has rear derailleur embedded in the frame which i broke last year. The derailleur hanger is the mounting point for your rear derailleur and almost all are designed to be sacrificial parts that will bend or snap in a crash or sometimes even if your bike just. A misaligned derailleur hanger will often result in poor shifting performance.

So don t be afraid to use an alignment tool if you have one. How do i do that without breaking. If you don t have one use an adjustable spanner wrench to grab the hanger and align it. This looks to be a steel frame which has a steel derailleur hanger.