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Rear Wheel slipping out of dropouts(9 posts)

Rear Wheel slipping out of dropoutsMJM
May 15, 2001 11:01 AM
I'm posting this for a friend. He's got a Derosa steel bike with horizontal dropouts, the ones with the chain-line adjustment screws (which are both screwed all the way in). The wheelset is a mavic classic pro with titanium salsa skewers.

He can't seem to get the rear wheel tight enough, even after seriously cranking on the quick releases. Out of the seat sprinting will sometimes "torque" the rear wheel out of the dropouts. Not pretty.

Any ideas on what's going on?

-MJM
Change the Skewersgrz mnky
May 15, 2001 1:04 PM
Sorry to say, but it sounds like the high-zoot Salsa ti skewers have too much elasticity in them for the application. You can crank them harder, but you'll probably break them. I'd go to something a bit more bomber and in steel. There are lots of choices out there - I've had great results with Shimano and Mavic stuff. I've used Control Tech ti - bolt type with good results. The wife uses Ritchey, but they look heavy.

Also, look for the skewer ends that have some teeth for bite _if_ it isn't going to hack up the paint on the dropouts. the Mavic has a "high leverage" design and will clear the annoying lawyer bumps on your fork if you have them (I file mine off).
Agree, same experiencezelig1
May 16, 2001 2:34 AM
Horizontal dropouts, Rev-x's and a pair of Salsa Al skewers. You really had to screw them down and even then, you were always looking down to see if the wheel moved. Have a nice tire/grit mark on my seat tube as a result of a hard jump. Dumped them and went to Mavic's. Not a problem since and I love the definitive feel of their cam upon closure or opening.
What went with the Mavic skewers?12x23
May 15, 2001 9:02 PM
I've had no problems with them.
Not to be condensending but...Spoke Wrench
May 15, 2001 10:20 PM
Also check the QR springs. If they're in backward, you'll never get the wheel tight enough. The narrow end goes against the axle.
re: Rear Wheel slipping out of dropoutsJames
May 15, 2001 10:27 PM
I had the same problem with the skewers. There is nothing worse than a loose rear wheel while sprinting!! I bit the bullet($80!) and went with the Dura Ace, I've loved em' ever since. Good luck.
re: Rear Wheel slipping out of dropoutsJBergland
May 16, 2001 12:41 PM
The 1999 LeMond Zurich had the same problem (along with paint chips). Although I have never had this problem myself, some of the solutions I have heard of are similar to those already posted along with:
1. Washers with teeth on the ends of the skewers
2. Check some alignments... is there anything adding extra torq.?

Good Luck!!
What about removing the chain alignment screws?MJM
May 17, 2001 8:45 AM
First off, thanks for all your comments. Assuming the dropouts are in alignment, is there any problem with him simply removing those alignment screws and allowing the rear wheel to sit all the way back in the dropouts? It looks like his bike as the screws in all the way and the wheel is right at the front edge of the dropout.

Not sure if this would help him or not? Any thoughts?

-MJM
Don't botherzelig1
May 17, 2001 10:07 AM
I've got three bikes with horizontal dropouts and many miles on all of them. As long as the entire circumfrence of the QR's end nut and the lever cap on the QR side fully cover the mating surfaces of the dropout, there shouldn't be any issues. Putting the wheel further back or forward isn't going to eliminate the problem.

What type of wheels (and QR's) did he have before the Mavic wheels? Its simple enough just to try a different type of QR in the back.