Stem and handlebar sanding

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Husum

Post subject: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 12:03 pm

Joined: Fri Feb 17, 2012 9:03 am
Posts: 41
Location: Denmark

I'm going to sand my 3T Ergonova and Arx Ltd. stem down to a matte carbon finish.
I've got the sanding steps under control, but...

The gritty part of my handlebars is more or less completely smooth where my stem sits. Due to huge potholes and the stem slipping.
Would it be a problem of sanding the gritty part away and use carbon paste on the stem and handlebars when assembling again?

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NiFTY

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 12:51 pm

Joined: Sat May 26, 2012 11:26 pm
Posts: 202

I have strangely enough just sanded down my stem and bar - ergonova LTD and ritchey C260 carbon. I tried to leave the grit behind but it was impossible as it would ahve shown through the stem spaces. So i sanded down as it is not complete yet i haven't ridden it, but i imagine a bit of carbon paste and maybe leaving it slightly rougher should be fine.

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Husum

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 1:22 pm

Joined: Fri Feb 17, 2012 9:03 am
Posts: 41
Location: Denmark

Dearly noted.. Only one way to find out then..

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PSM

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 2:30 pm

Joined: Tue Aug 28, 2012 2:45 pm
Posts: 353
Location: Stockholm, The Arctic...

The LTD bar looks like shit for that price.

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Husum

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 2:39 pm

Joined: Fri Feb 17, 2012 9:03 am
Posts: 41
Location: Denmark

Okay..

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bura

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 2:48 pm

Joined: Mon Mar 01, 2010 8:07 pm
Posts: 427

PSM wrote:

The LTD bar looks like shit for that price.

Why? design? finish?

And is it not all about weight?
You pay more for Schmolke. Does it look better?
Or which bar looks better?

Sorry for being off topic here.

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PSM

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 3:16 pm

Joined: Tue Aug 28, 2012 2:45 pm
Posts: 353
Location: Stockholm, The Arctic...

I mean the colour fading. Skip the paint under stem. Problem solved. :lol:

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canbakay

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 3:27 pm

Joined: Sun Oct 31, 2010 10:54 pm
Posts: 394
Location: London

ive done this with the same combo. get a rough idea of where your stem will sit on the handlebars and sand the visible parts. I've managed it with minimal effort. Though rough roads, its yet to slip.

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thisisatest

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 3:57 pm

Shop Owner

Joined: Sat Jun 13, 2009 4:02 am
Posts: 1908
Location: NoVA/DC

put assembly paste in the clamp area. with that, the rough bar finish is superfluous. it barely does anything anyway IMO.

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2011

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 4:16 pm

Joined: Tue Sep 20, 2011 8:15 pm
Posts: 177

I sanded down my ENVE bars and stem, and have had zero slipping problems. Also, I believe the inside clamping surface of the stem also has that grip (at least on my ENVE stem it did, which is made at same place at 3T stem) so you should be fine.

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Husum

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 4:22 pm

Joined: Fri Feb 17, 2012 9:03 am
Posts: 41
Location: Denmark

I'll sand it all down, and get back when it's seen some miles..

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em3

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 6:41 pm

Joined: Tue Dec 23, 2008 2:57 pm
Posts: 546
Location: NYC

After sanding u might want to check carefully whether you compromised your carbon layup with stem clamp...the gouge on the right side of pic appears to be pretty deep ( beyond clearcoat and paint) and into the carbon. EM3

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My 2011 Cervelo R5

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Husum

Post subject: Re: Stem and handlebar sanding

Posted: Thu Oct 04, 2012 9:20 pm

Joined: Fri Feb 17, 2012 9:03 am
Posts: 41
Location: Denmark

^Noted.. Just checked the bars, so far it seems fine. I think the picture exaggerates it a bit..

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Husum

Post subject: Re: Stem and handlebar sanding (now with result)

Posted: Fri Oct 12, 2012 12:26 pm

Joined: Fri Feb 17, 2012 9:03 am
Posts: 41
Location: Denmark

The result:

3T Ergonova 40cm:
Before: 178 grams
Now: 164 grams

3T Arx Ltd. 100mm
Before: 116 grams
Now: 113 grams

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ArferBar

Post subject: Re: Stem and handlebar sanding

Posted: Fri Apr 19, 2013 6:35 am

Joined: Mon Oct 03, 2011 5:32 pm
Posts: 57

WOW! that looks amazing, what sanding steps did you use??

thanks

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