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PostPosted: Mon Jun 24, 2013 6:45 pm 
Old School Hero
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Joined: Wed Jan 14, 2009 7:38 pm
Posts: 211
Location: Yorkshire
Just found this crack/split in my RaceFace Deus XC stem. It's under 3 years old.
It's on the underside at the junction with the steerer. It looks to be full thickness as opposed to cosmetic.
From the location, shape and size, I'm thinking it's an over-tightening issue, rather than impact or fatigue. D'oh! :facepalm:
Worth checking yours?


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File comment: Cracked RaceFace stem - probably overtightened :-/
2013-06-24 17.56.30.jpg
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PostPosted: Tue Jun 25, 2013 9:47 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8202
Location: New Forest, UK
I disagree that's from overtightening. It looks like a straightforward fatigue crack which started in the weld. Not your fault at all.

But it's a worrying thing to find, I've one of these stems!


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PostPosted: Tue Jun 25, 2013 1:44 pm 
Retro Guru
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Joined: Sun Mar 14, 2010 2:33 am
Posts: 2918
Location: daaan saaaf
Quote:
I disagree that's from overtightening. It looks like a straightforward fatigue crack which started in the weld.


I think they're forged, not welded. It could have been over-tightening, or fatigue, or perhaps a combination of the two. The hole inside looks rather rough, I imagine the crack propagated from there.

It seems you're not alone: http://www.google.co.uk/search?newwindo ... p;bih=1084


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PostPosted: Wed Jun 26, 2013 8:52 pm 
Old School Hero
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Joined: Wed Jan 14, 2009 7:38 pm
Posts: 211
Location: Yorkshire
I don't feel so cack-handed now - it seems as a few folk have had the same problem.
Tompson then, as on my other bikes.


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