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bent derailleur hanger?

Posted: 05 May 2014, 20:06
by paul
I fell off recently and the bike landed on the right hand side.
The impact was severe enough to knock the forks and brifter out of line.

That has been fixed, but I'm finding the gears hard to tune, so suspect that I have bent the derailleur hanger.
Is there an easy way to test this and then get it back into line?

Paul

Re: bent derailleur hanger?

Posted: 05 May 2014, 20:28
by humanbeing
Paul,
Derailleur Hanger Alignment Tool
Image
Pretty easy to use, you're welcome to borrow.
Have a great ride,
Peter

Re: bent derailleur hanger?

Posted: 05 May 2014, 20:51
by paul
Great, thanks Peter.
I'll be in touch.

Paul

Re: bent derailleur hanger?

Posted: 07 May 2014, 09:27
by mikesbytes
Is your hanger part of the frame or a separate component?

Re: bent derailleur hanger?

Posted: 07 May 2014, 10:43
by humanbeing
Paul said it was a replaceable derailleur hanger on an aluminium frame. The derailleur alignment tool works well on a steel frame, I'm not certain about aluminium frames.
Have a great ride,
Peter

Re: bent derailleur hanger?

Posted: 07 May 2014, 11:36
by Adrian E
It'll work fine on any frame (steel, carbon or alloy). @Paul, the replaceable alloy hanger is designed to bend to mitigate any blow to the dropout. Most replaceable hangers can be straightened but some will become brittle and crack if they're bent too many times. It's a good idea to own a spare hanger and keep with you if you're ever travelling with your bike.

Re: bent derailleur hanger?

Posted: 07 May 2014, 14:40
by paul
Thanks Peter. Worked treat.
It was well out of line, so needed a bit of judicious bending.
Now changes sweeter than ever.
Paul

Re: bent derailleur hanger?

Posted: 07 May 2014, 15:53
by humanbeing
Good news Paul.
Have a great ride,
Peter