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PostPosted: Wed Aug 30, 2017 7:44 am 
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Joined: Sun Jun 10, 2012 1:11 am
Posts: 1169
In the past I never installed a IBA for my FD. Even on my Addict I never needed one.

But recently on my TMR02, after a couple hundred miles, I noticed I can change to big ring, but when I drop it to small chainring front, it won't go.

Then I would have to shift to lower cassette where the chain alignment rubs against the FD cage slightly to push it down.

I'm using QXL and old Sram Red 10sp groupset.

Thanks.


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PostPosted: Wed Aug 30, 2017 12:21 pm 
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Joined: Mon Mar 14, 2011 10:59 am
Posts: 374
Location: Oxfordshire UK
Low adjuster screw on front mech needs adjusting or the front mech is not aligned properly in my honest opinion

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Posted: Wed Aug 30, 2017 12:21 pm 


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PostPosted: Wed Aug 30, 2017 1:41 pm 
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Joined: Tue Mar 01, 2016 4:16 pm
Posts: 72
Location: United Kingdom
On 11sp I find them essential to get the correct tension with a DA mech, didn't ever need them with 10sp or Sram 22 for that matter.


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PostPosted: Wed Aug 30, 2017 2:35 pm 
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Joined: Sun Apr 05, 2015 6:06 pm
Posts: 141
I don't usually bother, although it can be fiddly to set up. If it's not dropping to the small ring then perhaps that's just the limit screw that needs tweaking, although of course it could be the cable is too tight.


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PostPosted: Wed Aug 30, 2017 7:48 pm 
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Posts: 1169
Thanks guys! Let me look into that tonight!


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PostPosted: Wed Aug 30, 2017 8:36 pm 
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Joined: Tue Jul 26, 2016 8:43 pm
Posts: 195
Location: Los Angeles, California
Sometimes the cable gets gummed up where it routes beneath the bottom bracket.
Sports drinks or gooey rider phlegm. I try to run a short section the tightest plastic cable sheathing available.
Same for the rear cable passing thru there.

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PostPosted: Thu Aug 31, 2017 12:19 am 
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in the industry
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Joined: Wed Jan 19, 2011 11:14 am
Posts: 1736
Location: SYD
nope they are a hassle that look terrible and lead to shorter cable life

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PostPosted: Thu Aug 31, 2017 12:47 am 
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Joined: Sun Apr 03, 2016 5:49 am
Posts: 293
Location: Seattle, WA
Sounds like the cable tension needs to be loosened slightly, easier to do that than without a barrel adjuster than to go the other way sometimes.

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PostPosted: Thu Aug 31, 2017 6:49 am 
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Joined: Wed Feb 23, 2005 6:47 am
Posts: 992
Location: Albuquerque, NM
You could also simply have the FD on crooked if the cable tension and set screws seem OK. It could also be too high above the big chairing and screwing up the shifting.


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PostPosted: Thu Aug 31, 2017 7:18 am 
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Joined: Sun Jun 10, 2012 1:11 am
Posts: 1169
Thanks to everyone's suggestion... followed it and adjusted it and now all good without IBA.


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Posted: Thu Aug 31, 2017 7:18 am 


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