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 Post subject: Whats in the shadows?
PostPosted: Fri Sep 02, 2011 5:01 pm 
Old School Hero

Joined: Wed Jan 10, 2007 3:47 pm
Posts: 194
Location: Conyer, Kent
I about to but a new shimano rear mech, but have the choice of 2, shadow or non shadow?

I understand that the shadow rear mech sits closer to the bike, making it not so prone to rocks etc. But apart from that what is the difference? Do they both work with standard shimano shifters?

Cheers


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 Post subject:
PostPosted: Fri Sep 02, 2011 11:38 pm 
Onnnne Huuuunnnndrreeed and Eigggghhhhty

Joined: Tue Dec 28, 2010 3:45 pm
Posts: 180
In a word yes, they are less prone to snagging twigs on the trail as the body of the mech is angled to much the same as the cassette and sits very close

Shadow on the right
Image


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 Post subject:
PostPosted: Sat Sep 03, 2011 8:42 am 
Retro Guru
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Joined: Sat Jul 18, 2009 8:52 pm
Posts: 793
Location: Costa-del-Oldham
Brilliant picture to explain. I hadn't realised the difference myself & that makes it perfectly clear

Thanks.


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 Post subject:
PostPosted: Sat Sep 03, 2011 9:49 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4443
Location: Herts UK
shadow is lighter too plus the cable does not need to loop as much - buy the shadow.


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 Post subject:
PostPosted: Sun Sep 04, 2011 1:57 am 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
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Location: Rurally close.
Oooh that is a goo dpic. Before i knew that i thought it was the way it wont 'bottom out' on the chainstay like the non shadow ones can. (they do on a frame i have and have since had to use SRAM as it seems to be an inbuilt feature which i thought the shadow mechs copied - in that it will bottom itsef out before it hits chainstay)


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 Post subject:
PostPosted: Sun Sep 04, 2011 9:04 am 
Old School Grand Master

Joined: Sun Jun 27, 2010 9:37 am
Posts: 3976
shadow mechs are great except if using with older shimano shifters that dont have barrel adjusters....


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 Post subject:
PostPosted: Mon Sep 05, 2011 4:03 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4443
Location: Herts UK
jamabikes wrote:
shadow mechs are great except if using with older shimano shifters that dont have barrel adjusters....



ture - but if the cable is set up correctly, there is more thn enough adjustment on the shifter unit itself. Good riddance in my opinion - I could never see the point of the second adjsuter, I mean front shifters didn't have one.


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 Post subject:
PostPosted: Mon Sep 05, 2011 4:43 pm 
Onnnne Huuuunnnndrreeed and Eigggghhhhty

Joined: Tue Dec 28, 2010 3:45 pm
Posts: 180
This is what a shadow should look like on largest rear, the whole body is close to the cassette

Image

I really dont think there is any need to be honest, if you snag it on a low branch or rock, it will break the same as a conventional mech :wink:


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 Post subject:
PostPosted: Mon Sep 05, 2011 5:17 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
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Location: Rurally close.
So a case of over-engineered then?


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 Post subject:
PostPosted: Mon Sep 05, 2011 5:27 pm 
Onnnne Huuuunnnndrreeed and Eigggghhhhty

Joined: Tue Dec 28, 2010 3:45 pm
Posts: 180
cyfa2809 wrote:
So a case of over-engineered then?


Not really, I would have preffered a none shadow XTR with carbon cage to keep costs down, just looked on ebay and the M972 is still silly money, more than the latest M980 ten speed mechs :shock:

They are nice thoug and the change is ever so sweet with that shimano click :wink:

Image

:shock: http://www.ebay.co.uk/itm/Shimano-XTR-M ... 2a13036d26


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