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Axle Slipping in Chrome Dropout

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Axle Slipping in Chrome Dropout

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Old 08-29-10 | 06:18 PM
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Axle Slipping in Chrome Dropout

Got aproblem with the axle slipping in the dropout on my Super Course. Tried a star washer, didn't help. Hate to have to attack with a grinder to rough up the surface but the wheel keeps moving dangerously close to the left chainstay. Anybody got an easy fix on this?
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Old 08-29-10 | 06:47 PM
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I'm glad you posted this. I'm having the same problem with my PX-10.
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Old 08-29-10 | 07:18 PM
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I had that problem with a fixed gear I'm running (and also with the phillips Sports/SA AW). I swapped out the quick release, and that took care of the problem. I went with a more modern internal-cam Salsa QR, and it solved the problem.
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Old 08-29-10 | 07:23 PM
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74 Super Course = stamped dropouts.

The stamped DO's on the Super Course are narrower than most forged dropouts. You might find that a few Q/R axles - depending on the tolerances they were designed for - might stick out from the axle locknuts just enough that the cam and adjuster won't be able to bite onto the dropout without bottoming out on the axle as well.

Check for this issue; if it is the case, install spacers of equal width (1mm/ea ought to do it) on each side, or file the axle on both sides until the cam bottoms out correctly.

Another thing - unlikely, but possible: Campagnolo Triomphe skewers are notorious for having very little bite, even on paint or bare steel. The cam and adjuster are quite small, AND squared off. Form over function in it's worst form.

That said, Triomphe skewers aren't the only slippery ones out there. If your problem is not related to axle length, just change the skewer for something that has a gripper groove pattern and try that.

-Kurt
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Old 08-29-10 | 07:44 PM
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Originally Posted by cudak888
74 Super Course = stamped dropouts.

The stamped DO's on the Super Course are narrower than most forged dropouts. You might find that a few Q/R axles - depending on the tolerances they were designed for - might stick out from the axle locknuts just enough that the cam and adjuster won't be able to bite onto the dropout without bottoming out on the axle as well.

Check for this issue; if it is the case, install spacers of equal width (1mm/ea ought to do it) on each side, or file the axle on both sides until the cam bottoms out correctly.

Another thing - unlikely, but possible: Campagnolo Triomphe skewers are notorious for having very little bite, even on paint or bare steel. The cam and adjuster are quite small, AND squared off. Form over function in it's worst form.

That said, Triomphe skewers aren't the only slippery ones out there. If your problem is not related to axle length, just change the skewer for something that has a gripper groove pattern and try that.

-Kurt
Kurt is the man! He said it all. Change the skewers and the problem will almost certainly disappear.
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Old 08-29-10 | 09:03 PM
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I have the same issue on my Dawes Galaxy. I ended up installing a flat washer on each side of the axle, then a toothed washer next to each dropout. It's cheesy, but it works. I'm hesitant to grind the axles, as the hubs are Campy Record high flange and I may not keep them on this bike- the DO's on the Dawes are thin and flimsy compared to my Paramount and Cinelli SC. However, I still like the Dawes alot- it's my "truck" for going to the store, etc.
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Old 08-29-10 | 09:11 PM
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I'm getting this on my old Raleigh fixy. It's got the old "R" wingnuts and I'm afraid to crank them down any harder. Maybe I should give up and put hex nuts on it. Darn it those wingnuts are cool.
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Old 08-29-10 | 09:26 PM
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Originally Posted by rich rice
I have the same issue on my Dawes Galaxy. I ended up installing a flat washer on each side of the axle, then a toothed washer next to each dropout. It's cheesy, but it works. I'm hesitant to grind the axles, as the hubs are Campy Record high flange and I may not keep them on this bike- the DO's on the Dawes are thin and flimsy compared to my Paramount and Cinelli SC. However, I still like the Dawes alot- it's my "truck" for going to the store, etc.
Install the washers (Campag toothed wahsers, preferably) between the axle cone and the locknut, and your problem will be solved.

-Kurt
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Old 08-29-10 | 10:19 PM
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there are many modern skewers that don't have enough grip to work on horizontal drops. Wingnuts went out of style because they are hard to use on horizontal drops.
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Old 08-29-10 | 11:16 PM
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Originally Posted by unterhausen
there are many modern skewers that don't have enough grip to work on horizontal drops. Wingnuts went out of style because they are hard to use on horizontal drops.
^^ This.

Swap out the newer skewers with older ones, and you should be all set. The older ones have a stronger cam action, I believe. I had this issue with the Ciocc, and new (old) skewers solved the problem.
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Old 08-30-10 | 12:15 AM
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The axles are too long, i promise
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Old 08-30-10 | 07:58 AM
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Excellent advice Kurt. All q-r axle ends must be below flush to the outside of the dropouts, and adding washers/spacers is a minimally technical/expensive method.
Some of the posters who only rely on the grip of any type of star or toothed washer should rather double-check to make sure their axle ends aren't flush or past the outside clamping surfaces.
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Old 08-30-10 | 07:19 PM
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Yep, I had the same problem when I was experimenting with different skewers, and found that as long as the , axle length, spacing between end nuts, dropout thickness & skewer length are combined correctly, it will clamp just fine.
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