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  • Shimano Ultegra 6700 10 Speed Rear Mech
  • Shimano Ultegra 6700 10 Speed Rear Mech
NOW$69.99
  • RRP$89.99
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Short Cage
Medium Cage
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Shimano Ultegra 6700 10sp Rear Derailleur

Features

  • Compatible with all Shimano 10-speed systems
  • Wider outer cage to reduce deflection for more precise shifting
  • The GS medium cage rear derailleur is a requirement for triple set ups but will also work with double cranks
  • Weight - 200g

Buy Shimano Ultegra 6700 10sp Rear Derailleur from Chain Reaction Cycles, the worlds largest online bicycle store.

  • Colour: Grey, Silver
  • Size: Short Cage, Medium Cage
  • Speed: 10 Speed
 
Rated 4.7 out of 5 by 13 reviewers.
Rated 5 out of 5 by Better than dura ace This mech is perfect, it had not needed touching since fitting, it's smooth and silent, it has sealed bearings on the jockey wheels and looks great in dark grey. Don't understand why anyone would pay four times the prices for a small weight saving with dura ace! 16 August 2014
Rated 5 out of 5 by quality shimano product love ultegra items in grey,in my opinion look better then dura ace.this has not needed no adjustments since fitting 11 August 2014
Rated 5 out of 5 by GREAT I went for the long cage as I have a 30-12 / 28-11 / 25-11 cassettes which I change depending on the type of cycle im doing and the compact or short cage I hear (could be bull) but it does not take well with the 30-12 so from advice I have got I decided to use the longer cage and it works very well with a 30-12 when the occasion requires it mostly it has a 28-11 attached with no issues almost flawless gear changing all the time in fact it works that well to upgrade to dura ace, would be something I would not like to do, due to the way this derailleur works FLAWLESS. 11 August 2014
Rated 5 out of 5 by Value for money Shimano road rear derailleur Good value rear derailleur in the Shimano 10-speed road range. Allows the use of 12-30 cassette for tough climbs even with the short cage version. 10 August 2014
Rated 5 out of 5 by Great Product great product that does the job well and at an affordable price. 23 June 2014
Rated 5 out of 5 by Brought for HILLS I was entered into this years etape, i'm not the smallest cyclist and needed more gears as big hills, this with 12-30 cassette has worked for me, i've been in Spain doing training up cat 1 climbs for over 2 hours of climbing and it was hard but plodded along. I'm now looking forward to the Etape. 11 June 2014
Rated 5 out of 5 by Great upgrade Upgrading my 10/double Tiagra gear , easy to fit and set up and works really smoothly. 24 May 2014
Rated 5 out of 5 by Quality mech Matched up with ulltegra Sti shifters, this rear mech is superb, very easy to fit, and very little adjustment required, works flawlessly. Highly recommended. 29 April 2014
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19 Questions : 39 Answers

Product Q&A

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Age: 45 to 54
Gender: Male
Attitude: Passionate and Obsessive
11 months ago
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Halkirk,GB
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Answer: 
Unfortunately not. You will require a 10 speed rear mech for a 10 speed drive train.
11 months ago
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Answer: 
No, they are not compatible
Age: 25 to 34
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8 months ago
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Answer: 
Sadly it won't work, you will have gear-shifting issues unless you use a compatible 9-speed rear mech to partner your existing drivetrain.
Gender: Male
7 months ago
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I have a 6600 compact groupset and i need to replace the rear derailleur, will the 6700 rd work fine with it?
Age: 35 to 44
Gender: Male
Attitude: Passionate and Obsessive
10 months ago
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KILLORGLIN,IE
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Answer: 
Yes this derailleur is compatible.
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10 months ago
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Answer: 
yes
Age: 25 to 34
Gender: Male
Attitude: Passionate and Obsessive
8 months ago
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Will Ultegra 6700 SS- Short Cage work with ultegra cassete 11-28 and ultegra crankset 53-39 ?
Age: 35 to 44
Gender: Male
Attitude: Just for Fun
5 months, 3 weeks ago
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Answer: 
It will, but i advise to purchase the middle cage version for better shifting
Age: 25 to 34
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5 months, 3 weeks ago
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Answer: 
I run this mech, with a 11/28 cassette, but a compact 50/34 up front, but I would think the only difference would be chain length. It will handle the 11/28 cassette, no problem.
Age: 45 to 54
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4 months ago
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Has staff answer
 
2 answers

Rear Derailleur Cages.

Am running an Ultegra 6700 Rear Derailleur with a 10Speed 11-28T cassette.Would like to change to a 12-30T cassette.How can i check for the difference between a Short Cage and a Medium Cage,knowing that i need to change to a Medium Cage to accept the 12-30T Cassette.Is it possible to change the rear cages on the derailleur if need be.
Age: 45 to 54
Gender: Male
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9 months ago
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Answer: 
A Shimano road medium cage is 83mm in length from the jockey wheels centre to centre. If your own cage is shorter you will then require a medium cage mech.

It is not possible to switch cages between mech bodies.
8 months ago
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Answer: 
You need a medium cage. Cages by Shimano are not replaceable
Age: 25 to 34
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8 months ago
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Age: 55 to 64
Gender: Male
Attitude: Passionate and Obsessive
11 months ago
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MAYLANDS,AU
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Answer: 
The lowest number is 11 as in all shimano/sram cassettes
Age: 25 to 34
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8 months ago
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Answer: 
Both the short and medium cage will take a sprocket size of 11 teeth and no smaller.
11 months ago
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I have an Ultegra CS-6700 12/30 cassette and I am looking to use it with an Ultegra RD-6700-A derailleur.

I understand that there are two versions of the RD-6700 derailleur, the original RD-6700 and the RD-6700-A. I understand that the RD-6700 is specified to take a maximum 28T sprocket and 39T total capacity, whereas the RD-6700-A is specified to take a maximum 30T sprocket and 40T total capacity.

Is this correct and if so can you confirm which derailleur version this is?
Age: 55 to 64
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10 months ago
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Eastbourne,GB
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Answer: 
I received the 6700 version today from Chain Reaction.
Age: 35 to 44
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3 months, 4 weeks ago
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Brighton,GB
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Answer: 
This derailleur is the Ultegra 6700-A.

It can handle a max cassette sprocket size of 30tooth with a maximuim capacity on the Short Cage of 34tooth and 40tooth on the Medium Cage.
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Age: 45 to 54
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4 months, 3 weeks ago
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Answer: 
Yes, this mech can certainly handle this cassette width/ratio.
Attitude: On the up
4 months, 3 weeks ago
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Answer: 
yes
Age: 25 to 34
Gender: Male
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4 months, 3 weeks ago
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Is this derailleur compatible with shimano SL r770 gear shifters?
Age: 35 to 44
Gender: Male
Attitude: Just for Fun
9 months ago
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Anonymous
London,GB
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Answer: 
yes
Age: 25 to 34
Gender: Male
Attitude: Passionate and Obsessive
8 months ago
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Answer: 
The Ultegra R770 (10-speed) have the same cable pull ratio (2:1) as this mech and they are compatible.
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I am looking for a rear derailleur that can handle an 11/34 cassette and a cassette to go with it. I am currently running Dura Ace but would consider Ultegra as an alternative for my Cervelo RS. I have an 11/28 Ultegra cassette but our area contains many climbs that run 15% and steeper and I need some more help to keep spinning.
Age: 55 to 64
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11 months ago
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Answer: 
Only 30-32. You can either buy a long-cage deraileur or a make you crank more "compact"
Age: 25 to 34
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8 months ago
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Answer: 
This rear mech in its Medium cage form will only deal with a 32 tooth. If you go above a 32tooth cassette you will then need to change the rear mech to a longer cage or MTB style version.
What you can do, which will give you the same ratio is change your 39 tooth chainring to a 34 tooth chainring. This will give the same gearing for better hill climbing.
11 months ago
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I have a compact 110mm chainring with 53/39 and a cassette 11/28, I would like to by an ultegra Speed Rear, which one I must chose? the short cage?

What are the differences between the short and medium in the cassette/chainring compatibility?
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8 months ago
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Answer: 
This short cage can be used with your current combination of derailleur. You can find more information in the link below:

http://techdocs.shimano.com/media/t...
8 months ago
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Answer: 
i think, you need to buy a medium-cage deraileur
Age: 25 to 34
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