Long cage rear w/double?
04-07-08, 08:56 PM
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Long cage rear w/double?
Cobbling together a bike for my son. Here is the setup. 9 speed Shimano mix of 105 and Ultegra. 12-26rear cassette and standard road crank in front. Found a long cage rear der. for the right price, free, and want to know if there are any downsides to using this? Ie. will the shifting be as crisp as a short cage? Or other problems I have not though of. This bike would be just general road riding and no racing.
Looked on Sheldon's site and says any 9 speed rear der will work.
Any other input is appreciated and if someone has this setup even better.
Looked on Sheldon's site and says any 9 speed rear der will work.
Any other input is appreciated and if someone has this setup even better.
04-07-08, 09:12 PM
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i heard the short cage gives you quicker shifts, thing i really dont know. What I do know is that your son bike will be able to pull bigger cassettes, i mean bigger cogs. Hope this helps.
04-07-08, 09:19 PM
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It will work fine. There's an argument that a short cage will shift more crisply, but personally I think this falls into the category of theoretical and not anything you would actually notice in the real world.
04-08-08, 01:34 AM
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It works fine, I run a Tiagra Long Cage on my 52/42 double
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04-08-08, 06:52 AM
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The only possible reason for insisting on a short cage rd is a (minor) weight advantage.
04-08-08, 07:06 AM
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as long as chain length is correct, it should be fine. i've been running an XTR M952 long-cage rear in a mixed Shimano/Campy drivetrain for quite a while. cassette is a 12-25, chainwheels are 48/38.
04-08-08, 08:06 AM
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If the long cage rear derailleur is a mountain type then it will handle up to a 34t cog.
Al
