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PostPosted: Tue Jul 24, 2007 10:27 pm 
Old School Hero
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Joined: Tue Jun 20, 2006 2:53 pm
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Location: Gods very own Leeds
What is the difference between short cage rear derailleurs and long cage rear derailleurs? Apart from th obvious.

I am looking at buying a new rear mech and am confused by the cage length issue.

Help greatly appreciated.


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PostPosted: Tue Jul 24, 2007 10:34 pm 
East Midlands AEC
East Midlands AEC
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Location: Derby, UK
I think it's to do with your 'spread' of gears i.e. if you have a wide range of rings at the front and sprockets at the back (like most MTB's) then a long cage can cope with this better than short cage (which tend to be used by roadies).

I may be completely wrong though... it's just that was my assumption!


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PostPosted: Tue Jul 24, 2007 10:40 pm 
King of the DuckBoard
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couldn't have said it better myself :D I always buy short cage rear mech if offered.


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PostPosted: Tue Jul 24, 2007 11:32 pm 
Retro Guru
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Short cage looks cooler.
8)

(You shouldn't be using Big-Big anyway!) :P


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PostPosted: Tue Jul 24, 2007 11:58 pm 
Anglian AEC / Prison Ship Captain
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Location: LOWESTOFT the worlds smallest bore fest
whats the mech going on and whats the ratios front and rear (ie rear cassette 11-32 front rings 22-32-42) il give ya an answer to your problem ps what mech is it buddy 8) 8) 8)


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PostPosted: Wed Jul 25, 2007 12:12 am 
BoTM Winner / PoTM Winner
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(large chainring - small chainring)+(large rear cog - small rear cog)= chain wrap capacity

what kinda derailleurs you lookin to get?


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PostPosted: Wed Jul 25, 2007 12:25 am 
Anglian AEC / Prison Ship Captain
Anglian AEC / Prison Ship Captain
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Location: LOWESTOFT the worlds smallest bore fest
yeah but if hes only running a 32 up front and 11-32 he might as well just use a short cage mech any more up front the long cage will be easier for shifting sounds weird but true


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PostPosted: Wed Jul 25, 2007 12:39 am 
BoTM Winner / PoTM Winner
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cannondale king wrote:
yeah but if hes only running a 32 up front and 11-32 he might as well just use a short cage mech any more up front the long cage will be easier for shifting sounds weird but true
single ring?


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PostPosted: Wed Jul 25, 2007 3:32 am 
Retro Guru
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Location: Hobart, Tasmania, Australia
By short cgae do you really mean mid cage? short cgae mtb derailleurs are pretty rare. ;)


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PostPosted: Wed Jul 25, 2007 8:58 am 
King of the DuckBoard
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Corduroyboy wrote:
Short cage looks cooler.
8)

(You shouldn't be using Big-Big anyway!) :P


They sure do look 8) plus a WHOLE 1-2oz lighter :lol: :lol:


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