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PostPosted: Thu Apr 05, 2012 11:00 am 
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Joined: Thu Jan 13, 2011 4:04 pm
Posts: 537
Location: Sunny UK
Can't say I am a fan of the E-type mech so what are alternative mechs?

Seat tube is around 39.0 mm and 3 rings up front.

Anyone know why Scott chose to fit the E-type mech - for example the CF tube too weak to take a clamp on mech?


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Posted: Thu Apr 05, 2012 11:00 am 


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PostPosted: Thu Apr 05, 2012 12:12 pm 
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Joined: Wed Jan 18, 2012 4:23 pm
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Location: Midlands, United Kingdom
Scott seem to like E-type, not the best but they do work, alternatively get a machine shop to make you up a 39mm clamp and then use a bolt on.

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PostPosted: Thu Apr 05, 2012 7:55 pm 
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This was addressed here: viewtopic.php?f=1&t=98198

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PostPosted: Fri Apr 06, 2012 1:35 am 
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Location: Sapporo City, Hokkaido, Japan
Or if you can find an old Sachs Top-pull Braze-on FD and a light 39mm carbon clamp and tune it with dremel and aluminum bolts, you can go sub-100g.

Here's are related topic:
http://weightweenies.starbike.com/forum/viewtopic.php?p=266491


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PostPosted: Fri Aug 17, 2012 10:27 am 
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Joined: Thu Jan 13, 2011 4:04 pm
Posts: 537
Location: Sunny UK
.... back to this - sram xx is shown as 38.9 mm clamp (high clamp - needs to be in order to clear the non-round section of seat tube) - i measure seat tube to be 39.0 mm so will tht fit without damage to the tube?

xx is 2 ring - will it work with 3 ring set - (22-44)

or maybe direct mount with custom clamp - anyone come across something like that?

hmmm, i wonder how difficult it would be to make something like this: (assuming it is not available in 39 mm dia)
Image

or use a carbon seat clamp - anyone tried bending theseto fit a seat tube?
Image


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PostPosted: Tue Sep 11, 2012 9:41 pm 
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Joined: Fri Jul 30, 2010 7:08 pm
Posts: 232
I'm running the carboncycles carbon seat clamp with a custom bracket and Sram Road front mech, on a 2010 Scott scale 35. It took a bit off playing around and test fitting to get the right amount of clamp force on the seat tube and bracket but it works fine for me. I lubed up the seat tube to install the clamp because it has to stretch a long way to slide on but there were no cracking noises. Can't find the weights at the moment but its light. my main reason was i wanted to run a double ring chainset, and couldn't find a decent light solution.
will try to post a picture.


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PostPosted: Thu Apr 18, 2013 1:34 pm 
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Location: Sunny UK
.... resurrecting an old thread - SRAM XX front mech if for a 2 chainring set up?


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PostPosted: Thu Apr 18, 2013 6:23 pm 
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Location: Malmö, Sweden
I got a Sram XX 38.2 mm high mount toppull front derailleur for sale if you are interested - had it on my Scott Scale :-)

Image

119,5 grams.

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Posted: Thu Apr 18, 2013 6:23 pm 


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