I know dudes that the short cage is better but I can get x.0 with long cage for good price And thats why I'm thinking about durable.
I would shell out the extra to get a short or medium as the long cage will get broken because rocks will hit it. If you want to pay for two X0 derailleurs then get the X0 long cage. If you want to do it right the first time then get a short or medium cage.
I know dudes that the short cage is better but I can get x.0 with long cage for good price And thats why I'm thinking about durable.
I would shell out the extra to get a short or medium as the long cage will get broken because rocks will hit it. If you want to pay for two X0 derailleurs then get the X0 long cage. If you want to do it right the first time then get a short or medium cage.
I've got a short cage on my DH bike, and nothing compares to it. Do it right the first time and get the short cage, I will pay for itself in the long run. If you are trying to save money you might as well get a cheapo x-7, but I think you will find this to be a losing game. Busted 3 X-7 long cages, an X-9 long cage and an X-9 medium cage in one season. My used XO short cage (came with the bike, already smashed up) worked better than any of the others new and is still running beautifully after a full season. Knock on wood.
Cage size is determend by gear range and nothing else, you are asking the wrong question, neither is more durable, they both brake under impact, run the shortest cage your gear range will allow... PERIOD!
Cage size is determend by gear range and nothing else, you are asking the wrong question, neither is more durable, they both brake under impact, run the shortest cage your gear range will allow... PERIOD!
Cage size is determend by gear range and nothing else, you are asking the wrong question, neither is more durable, they both brake under impact, run the shortest cage your gear range will allow... PERIOD!
I think you're missing the point that a shorter cage has greater clearance and is therefore less likely to be impacted. Shorter is also stiffer and will apply less moment where it connects to the der. body and hanger, if impacted. So yes, shorter is more durable. So run the shortest cage you can, because it shifts better, keeps better chain tension, and is less likely to snag and break.
I've got a short cage on my DH bike, and nothing compares to it. Do it right the first time and get the short cage, I will pay for itself in the long run. If you are trying to save money you might as well get a cheapo x-7, but I think you will find this to be a losing game. Busted 3 X-7 long cages, an X-9 long cage and an X-9 medium cage in one season. My used XO short cage (came with the bike, already smashed up) worked better than any of the others new and is still running beautifully after a full season. Knock on wood.
I bought my xo short cage rear derailler almost 3 years ago now and I've only tuned it twice since I bought it, both times when I switched it to a new frame. They're the shit and soon as mine breaks I'm buying a new one. Sorry, shimano... 1:1 kicked your ass.
K I am asking this years after but w/e I have an 36t and 11-34t cassete with a medium x9. I recently inherited a Sram x0 long cage however I do not want a long cage. I am thinking of just buying a used x0 short cage derrailuer and just taking off the cage and then reselling it as a long cage. Would this would. Would the short cage fit in general? Also, I noticed some X0 cages are all aluminum, some or half aluminum half carbon and some are 100% carbon. whats the differences between the 1/2 carbon 1/2 aluminum and the full carbon?
Cage size is determend by gear range and nothing else, you are asking the wrong question, neither is more durable, they both brake under impact, run the shortest cage your gear range will allow... PERIOD!
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and landing on tarmac 
And thats why I'm thinking about durable. 
. My used XO short cage (came with the bike, already smashed up) worked better than any of the others new and is still running beautifully after a full season. Knock on wood.
