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GS road derailleur for tandem

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GS road derailleur for tandem

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Old 06-27-08, 01:38 PM
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GS road derailleur for tandem

Anyone using a Shimano GS road derailleur on the the rear instead of a Mountain rear? I realize Shimano officially rates the GS as having a 27 tooth max. Who is running a larger max cog? Thanks!
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Old 06-27-08, 02:43 PM
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I've run an 11-32 IRD 10 speed cassette with a Shimano 105 long cage derailleur, and it shifted acceptably. (wasn't on a tandem however, fwiw)
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Old 06-27-08, 05:12 PM
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I just took off the XTR that came on the Santana and put a Dura-Ace long cage on but I run a 27.
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Old 06-27-08, 05:48 PM
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I run a 29 on my 9 speed single with a 105 short cage. It is at it's very limit. Will a road GS go to 30,32,34
? Could that fix some of the problems people have with 10 speed IRD cassettes ?
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