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PostPosted: Sun Aug 19, 2012 11:10 pm 
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Joined: Fri Dec 23, 2005 5:10 pm
Posts: 267
Location: Inverclyde, Scotland
Hi

I would like a lighter carbon aerobar setup for my TT bike. I am currently using DA TT shifters in alloy extensions.

The shifters have an expander plug which wedges in the end of the bars.

Are these plugs safe for carbon extensions? Are the extensions usually engineered to take the forces?

Grateful for advice.

Thank you.

Alan


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Posted: Sun Aug 19, 2012 11:10 pm 


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PostPosted: Mon Aug 20, 2012 12:08 am 
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Joined: Sat Jun 19, 2004 11:08 am
Posts: 7014
Location: Urbana, Illinois
I use Campy in carbon extensions. You just expand them enough so the are secure and don't rotate and absolutely no more.

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PostPosted: Mon Aug 20, 2012 12:29 am 
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Joined: Tue Aug 12, 2008 2:22 pm
Posts: 571
Location: Salt Lake City, UT
I wouldn't worry about it, a cylinder is a strong shape, the more pressing concern is how much weight you are saving!

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PostPosted: Mon Aug 20, 2012 12:31 am 
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Joined: Sat Jun 13, 2009 4:02 am
Posts: 1980
Location: NoVA/DC
if you have bs78 tt shifters, get some bs79. they are a lot lighter, due to the aluminum t-nut, expander bolt, and wedges.


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