Old 05-21-15, 09:30 AM
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What derailleurs will work on older GT Aggressor?

I'm a newbie and I just bought a used GT Aggressor 24-speed. I'm not sure what year it is, but I'm guessing around 2006. I need to replace both front and rear derailleurs and I want to buy them online. How do I know what will fit, and what types to buy (long cage, direct mount, etc....)? I'm looking at Shimano Altus or Deore, that range. Can I reuse the hanger currently on the bike?? All help would be appreciated!!

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Last edited by DrewsterS; 05-21-15 at 09:34 AM.
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