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Shimano Crane/Crane GS/Crane GS Short Cage?

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Shimano Crane/Crane GS/Crane GS Short Cage?

Old 11-22-18, 07:38 AM
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Shimano Crane/Crane GS/Crane GS Short Cage?

I have a Shimano Crane derailleur on my Volare, and thought it might be a good idea to pick up a GS to allow lower gears (not needed immediately, but I'm not getting any younger). Poking around, I noticed this eBay auction. Is this just a cage swap, or is there such a thing? Was the geometry of the Crane and Crane GS parallelograms different, or is the only functional difference the length of the pulley cage?

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Old 11-22-18, 08:23 AM
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It's just a cage swap.
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Old 11-22-18, 09:20 AM
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Besides the cage itself I also believe the cage tension (P-Tension) spring is different between the short cage (Crane) and long cage (Crane GS), I assume the long cage spring would be stiffer:


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Old 11-22-18, 11:51 AM
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Originally Posted by Metacortex
Besides the cage itself I also believe the cage tension (P-Tension) spring is different between the short cage (Crane) and long cage (Crane GS), I assume the long cage spring would be stiffer...
Thanks. Good to know.
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