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Old 12-04-11, 11:48 AM   #1
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Ultegra ST-6703 Dual Controls (Problem?)


I am new to this forum and I was wondering is somebody can help me with the

I have just bought a new road bike, the Cube Agree Pro with the Ultegra
group set. What I want to know is if the right shifter/brake control has
a problem. When you try to shift up a gear with either controls, the cable
is not pulled immediately, but the lever moves a bit to the inside and then
force is needed in order to change gear. While the left control moves a
little bit, the right has to move double the distance in order to engage and
pull the cable.

Does anybody know if this is normal ?
Is there a way to shorten that distance?

The dual controls are the Shimano Ultegra ST-6703.

The reason I don't like that, is because when you ride and you are wearing
gloves, the right brake sometimes slips because when I try to pull it, I am also
pushing it towards the left. (and you can move it very easily until it engages
the cable and finds resistance).

I am including a photo in order to better show you what I mean.

I hope somebody can shed some light on that.

Thanks in advance!

Attached Images
File Type: gif Ultegra Shift.gif (54.2 KB, 23 views)
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Old 12-05-11, 08:27 PM   #2
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Some kind of cable housing binding?
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Old 12-07-11, 10:08 AM   #3
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Moved from Road to Mechanics.
Originally Posted by Xerum 525 View Post
Now get on your cheap bike and give me a double century. You walking can of Crisco!!

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Old 12-07-11, 10:21 AM   #4
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There is a bit of a learning curve to brifters. You need to get used to pulling straight back for braking. It does eventually get automatic. Whether there is actually a problem with the amount of movement before engaging or the amount of force required to shift would be best left up to the LBS where you purchased the bike.
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