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Carbon steerer woes?(5 posts)

Carbon steerer woes?sacheson
May 25, 2003 10:52 AM
I'm wondering if anyone has experienced something similar ...

I have a full carbon fork. I'm not mentioning the manufacturer, because I have no reason to tarnish anyone's reputation ... but let's say it's from a very popular and mainstream tubing manufacturer. The fork is about 6 months old. I'm using a Deda Newton bar and stem combo, i.e. one I think is verified for carbon steerers. I consider myself a competent mechanic, and don't think I did anything to contribute here.

I disassembled the front end of the bike today for some routine maintenance and discovered a "crease" running vertically down the back-side of the steerer tube about an inch long. On the inside I noticed some delaminating between the exterior and interior carbon tube pieces.

Needless to say, I'm rather concerned and will not be riding this product any longer. My question is, is this common with carbon steerers and I've experienced an expensive drawback to lightweight technology, or do I have a justifiable claim with the company?

I did have a Reynolds full-carbon fork for 2/5 years before this one and had zero issues.
re: Carbon steerer woes?DY
May 25, 2003 12:44 PM
Well you've pretty much narrowed it down to just one brand.

I'd like to know which model so that I can make a better decision on my next fork. I've had both Reynolds and Columbus. I've been wary of a carbon steering tubes and have always purchased the ones with alloy.

I think it is more of an issue of the stem putting pressure on the tube. Even though I don't particularly like Ritchey products I do like the WCS stem design that has a diagonal cut and opposing bolts. This would seem to spread out the pressure when tightening the stem bolts.

Also Coulumbus has added kevlar to the fork tube on the new Super Muscle. They say it helps to "reduce the risk of cuts caused by the clamps of the handlebar stem, which are particularly sharp."

That is the one I'm considering for my next frame.
actually ...sacheson
May 25, 2003 6:55 PM
... it could be Dedaccai, Alpha-Q, or Columbus ... but it's the Muscle (not Super Muscle).

I had a Newton stem on a Reynolds for 2.5 years with absolutely NO problems.

Another stem that seems to offset the stress on steerer tubes is the Thomson ... and the quality is definitely there.
erm ...sacheson
May 25, 2003 8:09 PM
...could be an Easton also, I guess.
Guess you are right...DY
May 25, 2003 9:44 PM
I just guess I only have Reynolds or Columbus in mind with I think of forks, but yes it could be all those others too.

Personally I liked my Carve better than my Reynolds. Nothing to do with how they felt or performed....I don't think I could tell the difference in a blind test. I just liked the look and it "seemed" like a nicer fork.