To start off with:
I have a 2006 Iron Horse Chimpira Yakuza. I have been slowly up grading some of the parts either as they break or as i get money.
I have put on a Bontrager Big Earl crankset and new BB. And a chain tensioner, single roller that mounts to the bottom bracket housing. Shimano alivio rear derailluer
I have been having a problem with breaking the hanger brackets. Before and after the new crankset was installed. . I have had four break within the last year and today I put number five on, one time was a true legit my fault acciedent, but everything else has all happened while riding on flat pavement. The derailluer ends up caught in the spokes and then snap, broken hander bracket. This is getting old really fast. I have put them on myself taken it in to different shops and had them install it and adjust the rear derailluer to make sure that wasnt out of wack.
I just had to replace the rear derailluer, because it has been caught in the spokes and bent the lower part of the housing. and then the next time i took it out riding the same damn thing happened and it bent that housing and broke the hanger bracket. So now I am replacing the derailluer for a second time.
I am curious if this has something to do with the geomety of the bike because looking at the Iron Horse website the 2007 model is now being made a single speed. Which is something I am thinking about doing myself.
Has anyone else ever had this problem before? Is this a design problem or is this a good case of bad luck?
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