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PostPosted: Thu Feb 10, 2011 8:55 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Location: Newcastle Upon Tyne
are these known to stick together?

and if so, what do i use to stop it happening.

my latest carbon bike has carbon everything else, and while its spot on now, i dont want issues in the future.


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PostPosted: Thu Feb 10, 2011 9:24 pm 
Gold Trader / MacRetro rider
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Location: scotland
copperslip ? pass , never heard of that problem :lol:


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PostPosted: Thu Feb 10, 2011 10:32 pm 
retrobike rider / Gold Trader
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been reading up and found it can be an issue for some, i thought with it being non metal, how could it be an issue?

just wondering.


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PostPosted: Thu Feb 10, 2011 10:37 pm 
Old School Grand Master
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Joined: Sat May 20, 2006 2:56 pm
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Location: No brakes? Way to commit soldier.
http://www.chainreactioncycles.com/Mode ... elID=26768

:?:


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PostPosted: Thu Feb 10, 2011 10:42 pm 
retrobike rider / Gold Trader
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i have seen carbon grease advertised too, any idea whats different about it lol


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PostPosted: Thu Feb 10, 2011 10:53 pm 
Anglian Deputy AEC
Anglian Deputy AEC
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Joined: Mon Oct 09, 2006 6:13 pm
Posts: 6928
Location: Livin' in a dust bowl
This stuff works well

Ritchey Liquid Torque
http://www.chainreactioncycles.com/Mode ... elID=39481
Image

The Ritchey Liquid Torque creates extra friction between two surfaces, allowing tightening torque to be reduced by up to 30%

• Particularly useful for use where over-clamping can damage sensitive components such as Carbon bars or steerer tubes
• Approved for use with carbon, steel, alloy and titanium surfaces
• Use with Ritchey Torque key to ensure safe installation of Ritchey bars and stems
• 5g Sachet


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PostPosted: Thu Feb 10, 2011 10:55 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Location: Newcastle Upon Tyne
superb 8)


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PostPosted: Thu Feb 10, 2011 11:05 pm 
Moderator /Lincs, E & S Yorks Deputy AEC
Moderator /Lincs, E & S Yorks Deputy AEC
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Joined: Mon Nov 26, 2007 6:16 pm
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Location: RetroModding™ since 1988
Some manufacturers recommend a carbon grease on a seat post, some say not to grease the post .

some greases may react with the resin in the some carbon posts and cause swelling to the post jamming it in the frame

http://www.bikeradar.com/forum/viewtopic.php?t=12534958

What post and frame do you have?


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PostPosted: Thu Feb 10, 2011 11:19 pm 
Gold Trader
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Joined: Wed Jun 20, 2007 11:19 pm
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Location: Odense, Denmark
It's a huge problem.

The only way to prevent it is to take your seatpin out every couple of months, regrease it with carbon paste and refit.

It is also CRUCIAL that you don't overtighten as this makes seizure even more likely.

If possible use a seatpost and frame where you know the size is very precise and not just an approximation. Put 27,2 seatpost that really measures 27,3 into a 27,2 frame that really measures 27,1 and you will see what I mean. This happens more regularly than you might think.


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PostPosted: Thu Feb 10, 2011 11:33 pm 
Mr Darcy
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Joined: Wed Oct 26, 2005 8:36 pm
Posts: 5687
Location: Bicester
I have two roadbikes with carbon posts. A winter trainer in Alu and nicer carbon summer frame.

Both post are solid. Arse. Both wiped clean and dry so no grease at all before fitting.

So yes, its a BIG issue.. and I now have two frames with me for life (as long as legs dont shrink)

:evil:


Last edited by gump on Thu Feb 10, 2011 11:34 pm, edited 1 time in total.

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