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Ouzo Pro Fork Stem Warning!

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Ouzo Pro Fork Stem Warning!

Old 09-13-06, 10:17 PM
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jberenyi
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Ouzo Pro Fork Stem Warning!

Just got my brand new Ouzo Pro Fork with VMS technology and my new Ritchey Pro 4-Axis stem today. I am totally bummed. According to a new warning by Reynolds, they said that you cannot use asymmetrical clamp styles. The Ritchey 4-axis stem is an offset slot. Now I have to sell it! This is a partial quote from the note I received with the fork. Quote: "We have tested several competitors' products currently available and found them all to suffer permanent deformation (local failure) of varying degrees when used with certain stems. Some steers tolerated the testing better than others but all were damaged to some extent."

Does anyone use the offset style stem slot with their carbon steerer fork?



Last edited by jberenyi; 09-14-06 at 07:37 AM.
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Old 09-13-06, 10:27 PM
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backinthesaddle
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Could you translate? sounds serious, but I didn't understand any part of your post.
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Old 09-13-06, 10:32 PM
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Originally Posted by backinthesaddle
Could you translate? sounds serious, but I didn't understand any part of your post.
Basically, Reynolds says that they tested many competitor forks including their own and found that the slot styles on stems have an impact on the fork's carbon steerer. The angled type slot on a stem is NOT recommended according to Reynolds. They only recommend a vertical style slot. I plan to call them and Ritchey in the morning over this issue.
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Old 09-13-06, 10:51 PM
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hm according to the ritchey website, the 4 axis stem is designed for carbon steerer tubes. probably better to be safe than sorry i guess tho...
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Old 09-14-06, 06:09 AM
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I have an Easton 2-bolt stem but wanted a 4-bolt so I could mount my Polar on the stem better. I use a
90mm stem and with a 2-bolt design, the top bolt does not allow clearance for the Polar unit. Plus the Easton has replaceable nutplates for the bolts so they protrude more.
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Old 09-14-06, 06:16 AM
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WTF? Ritchey did the angled slot because it was supposed to be EASIER on the stem not harder. I am using the 4 axis on my all CF Specialized fork and it hasn't broken yet.
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Old 09-14-06, 06:25 AM
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The Ritchey WCS stem has been my stem of preference for years, and I now have two of the 4-axis in use on full carbon forks. I think I'm going to contact Ritchey and ask them directly what's going on.
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Old 09-14-06, 06:34 AM
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Interesting. I am also planningon getting a 4-Axis stem for my Trinity bike, which has a carbon steerer for the forks. I plan on getting one anyway. Ritchey designed the 4-Axis specifically for carbon forks and bars. I see why one cannot use them.

Reynolds must be mad at Ritchey for some reason. Maybe one of them owes the other some poker money.
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Old 09-14-06, 06:44 AM
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not to threadcrap, but confusion like this is why I refuse to use a carbon steerer fork just yet. The technology needs some SERIOUS ironing out.

Maybe we need to make this clear to the industry, so they can make a foolproof carbon fork setup.

Maybe we need an internal compression plug and pressure match it to the stem used?
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Old 09-14-06, 06:51 AM
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Originally Posted by catatonic
Maybe we need an internal compression plug and pressure match it to the stem used?
Actually that is why many people suggest putting a spacer on top of the stem now. By leaving the steerer a few MM longer you can riase the position of the compression plug so that it is in the clamp area of the stem thus preventing the crushing of the steerer.
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Old 09-14-06, 07:33 AM
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Originally Posted by jberenyi
I have an Easton 2-bolt stem but wanted a 4-bolt so I could mount my Polar on the stem better. I use a
90mm stem and with a 2-bolt design, the top bolt does not allow clearance for the Polar unit. Plus the Easton has replaceable nutplates for the bolts so they protrude more.
It's a shame you're having clearance problems with the 2-bolt. IMO (and this is really just my personal preference) I prefer 2-bolt faceplates over 4-bolt ones. With a 2-bolt faceplate, the load naturally balances between the two bolts, so they're difficult to over-tighten. With 4-bolt designs (with a few exceptions) I've found that as you start tightening them, one of the bolts always seems looser than the others. When you tighten it, another bolt then becomes the looser one, and you can go on and on tightening. The last time I dealt with one, I finally took a torque wrench to the thing, and after I got it all set up, I noticed that the one of the bolts was over the torque spec, probably due to some kind of "wind up" on the face plate. It took a while to get the thing to where I was convinced that the 4 bolts were evenly tightened.

But I'm kind of with catatonic on this one. There are a few places where I'm not willing to go carbon, and seatposts and steerer tubes are two of them. I know there's probably nothing wrong with either of them, but to me it just seems like there's not much to gain from using carbon in either of those places. I know this isn't any help to you, because you own the fork, so I hope you're able to get good answers from Ritchey and Reynolds.

Good luck!
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Old 09-14-06, 07:36 AM
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The Card Info for Stem Warning

Here it is people. Plain as day.


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Old 09-14-06, 07:41 AM
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Originally Posted by jberenyi
Here it is people. Plain as day.
Reading that gives me the impression that they're trying to avoid the types of stems that have a "Wrap around" style clamp that leaves the slot somewhere other than in the back. I'm not convinced this applies to the diagonally-slotted Ritchey though. Probably best to call or email them and ask about that stem specifically.
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Old 09-14-06, 07:45 AM
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Ahh ok this is not the same thing as the Ritchey 4 Axis....thought maybe it falls in there too? Those all show vertical slotted stems but the one is offset...the 4 Axis slot is centered but angled.
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Old 09-14-06, 08:12 AM
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Just talked to Nick at Reynolds Composites. The 4-axis stem is fully approved for use with their forks. Thank goodness!
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Old 09-14-06, 08:15 AM
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Great news. Thanks for going directly to the source and getting the facts. I have two 4-axis stems in use and one in the box waiting to get mounted and this thread had me concerned.
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