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PostPosted: Tue May 22, 2012 6:49 pm 
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Joined: Sat Feb 04, 2012 9:50 pm
Posts: 7
Hi

I crashed by last carbon frame big time time last year, so have built up (with the help of insurance) a new bike based on a Giant TCR SL (that's my claim to it being a light bike, it's just over 14lb for the build) , finally got it on the road (done 60 miles in total) , gave it it's first clean at the weekend and found some strange 'marks' a dull patch on the top tube and little lines, and some little lines coming down from the steerer on the other side,

I don't know if I should be nervous, or just get on with it ... think this is going to be my last carbon frame

Any advice appreciated, I know it's hard to tell from pictures, I'm a little disheartened at the moment as but a lot of effort into this build, it appears to be in the laq, lots of experiance with alloy frames, not a lot with carbon ... thoughts ?

Cheers

Attachment:
File comment: White mark on top tube and lines over the T
1.jpg
1.jpg [ 28.5 KiB | Viewed 776 times ]


Attachment:
File comment: Lines coming down from race
2.jpg
2.jpg [ 26.46 KiB | Viewed 776 times ]


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PostPosted: Tue May 22, 2012 11:15 pm 
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Joined: Wed Mar 28, 2012 3:16 pm
Posts: 201
Location: Utah, USA
looks like crazing in the laquer. definitely not anything to worry about but still a bummer.

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Posted: Tue May 22, 2012 11:15 pm 


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PostPosted: Wed May 23, 2012 7:58 pm 
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Joined: Mon Jun 23, 2008 8:52 am
Posts: 550
pedalmonkey wrote:
Hi

I crashed by last carbon frame big time time last year, so have built up (with the help of insurance) a new bike based on a Giant TCR SL (that's my claim to it being a light bike, it's just over 14lb for the build) , finally got it on the road (done 60 miles in total) , gave it it's first clean at the weekend and found some strange 'marks' a dull patch on the top tube and little lines, and some little lines coming down from the steerer on the other side,

I don't know if I should be nervous, or just get on with it ... think this is going to be my last carbon frame

Any advice appreciated, I know it's hard to tell from pictures, I'm a little disheartened at the moment as but a lot of effort into this build, it appears to be in the laq, lots of experiance with alloy frames, not a lot with carbon ... thoughts ?

Cheers



Do not worry. It looks quite OK, nothing structural.


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PostPosted: Wed May 23, 2012 8:27 pm 
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Joined: Fri Oct 07, 2011 2:08 pm
Posts: 1365
You could sand the clear off and apply some new clear . Just use some fine wet & dry.


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PostPosted: Wed May 23, 2012 8:34 pm 
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Joined: Mon Jul 26, 2004 8:57 pm
Posts: 759
Location: Ireland
An easy fix is to buy some Autosol and polish out the blemishes, its worked a treat on my previous tcr.


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PostPosted: Wed May 23, 2012 8:50 pm 
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Joined: Wed Oct 31, 2007 10:32 pm
Posts: 7410
Location: Los Angeles / Glendale, California
Nail polish (clear) is Laquer.
Cheap.

1. Apply
2. Buff Smooth
3. ???
4. Profit

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PostPosted: Wed May 23, 2012 11:34 pm 
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Joined: Fri Oct 16, 2009 1:25 am
Posts: 572
Location: Gold Coast Australia
paint and clear gets misappklied to alu, steel and Ti too mate...
no need to throw baby out with the bathwater....

just ride... its alll good


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PostPosted: Sun May 27, 2012 9:49 pm 
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Joined: Sat Feb 04, 2012 9:50 pm
Posts: 7
Thanks everybody, I'm not going to try and 'patch it up' as i will probably just make it worse. Think I am just worring about carbon to much as there is some my bad press / miss information , found these marks on the steerer and thought 'oh no it's going to fail' just need to get on with it and enjoy the new bike

Attachment:
workToMuch.jpg
workToMuch.jpg [ 66.74 KiB | Viewed 289 times ]


Cheers all


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Posted: Sun May 27, 2012 9:49 pm 


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PostPosted: Mon May 28, 2012 3:49 am 
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Joined: Sat Jun 13, 2009 4:02 am
Posts: 1965
Location: NoVA/DC
while the steerer tube looks essentially fine, something is making very shallow scoring marks, probably when removing and reinstalling a stem. if it were mine, i'd look for the culprit and sand/bevel any sharp edges in the stem clamp area. it's simply a good thing to do with clamping surfaces.


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