Medium cage for chorus derailleur?

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fsd61b
Posts: 97
Joined: Sat Mar 17, 2012 22:26 pm

Medium cage for chorus derailleur?

Postby fsd61b » Thu Jan 17, 2013 20:14 pm

Hi, where could I get a medium cage for my 2005 Chorus 10 speed derailleur?
I have the part number but the usual suppliers online don't seem to list individual spares. I am hoping to change the cage to allow the use of a 12 - 29 cassette (chainrings are 52/39).
Or,would I be better just buying a complete medium cage derailleur (and incur the additional cost)?

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Rolf F
Posts: 13583
Joined: Sun Oct 26, 2008 09:29 am

Re: Medium cage for chorus derailleur?

Postby Rolf F » Thu Jan 17, 2013 21:24 pm

I run a 13-29 on my 2009 Record and Centaur short cage rear mechs with 50-34 Chainsets. I reckon that setup could handle another tooth on the rear so what I would do in your postion is buy the cassette and see if it works with the current rear mech and (maybe) a slightly longer chain. Certainly the Chorus 2005 cage looks pretty similar to the later ones so its possible that the range is the same.
Faster than a tent.......

fsd61b
Posts: 97
Joined: Sat Mar 17, 2012 22:26 pm

Re: Medium cage for chorus derailleur?

Postby fsd61b » Thu Jan 17, 2013 22:48 pm

Rolf F wrote:I run a 13-29 on my 2009 Record and Centaur short cage rear mechs with 50-34 Chainsets. I reckon that setup could handle another tooth on the rear so what I would do in your postion is buy the cassette and see if it works with the current rear mech and (maybe) a slightly longer chain. Certainly the Chorus 2005 cage looks pretty similar to the later ones so its possible that the range is the same.

Thanks Rolf,I'll give it a go with an aftermarket cassette & new chain and see what happens (vision of broken spokes and cage jumps into mind!). I really like the look of the alloy Chorus gear and was loathed to change the whole derailleur.
Cheers.


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