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Old 07-02-11, 03:04 AM   #1
GECKYL
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Locknut and cone "stuck" on rear axle Trek 7.1

I need to get this loose. The piece seems stuck. I am not a small guy but for the life of me I can not loosen this. I have tools, just not have the correct tool at the moment. Any suggestions? Should I put it in a vice or something?
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Old 07-02-11, 03:22 AM   #2
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Hold the axle in a vise with something to protect the threads, and it should be possible to get the locknut off with ring spanner that fits, or with a large adjustable spanner.
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Old 07-02-11, 03:28 AM   #3
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Don't clamp down on the axle(Odds are, it'll just spin), clamp down on the cone. It'll take that punishment like it's nothing. Then any regular wrench should let you get the locknut loose.

But even better would be to have the appropriate slim cone wrench at hand.

You might be able to improvise something. Perhaps put two nails against the flats on the cone before clamping it in the vise.
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Old 07-02-11, 03:31 AM   #4
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Why do you need to get it loose?

If you need to get it loose because you're replacing the cone you should really get the appropriate cone wrench anyways for when you put it back together.
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Old 07-02-11, 03:33 AM   #5
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Originally Posted by LesterOfPuppets View Post
Why do you need to get it loose?

If you need to get it loose because you're replacing the cone you should really get the appropriate cone wrench anyways for when you put it back together.
I'm replacing the axle and the cone is not in the correct position for my hub. It's a universal axle set...
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Old 07-02-11, 05:04 AM   #6
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You understand that the cone and nut have to be turned in opposite directions, away from each other, to loosen them?

Last edited by cranky old road; 07-02-11 at 05:33 AM. Reason: clearer syntax
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Old 07-02-11, 06:58 AM   #7
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Get the right size cone wrench. As already mentioned, what you really need it for is putting the parts back together.

The right hand side cone needs to be locked tightly against the locknut. It is hard/impossible to do this without a cone wrench.

If the right hand cone is not locked up tightly, it can rotate as the wheel turns, tightening itself against the bearings. You run the risk of locking up the wheel and breaking the axle.

The left hand cone, if it becomes loose as you ride, will rotate in a direction away from the bearings giving you a sloppy adjustment, but not a sudden lockup of the wheel.

Get the right size cone wrench, lock up the right hand cone, put the hub back together, and make the bearing adjustments from the left hand side.
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Old 07-02-11, 04:53 PM   #8
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Originally Posted by Just Riding View Post
Get the right size cone wrench. As already mentioned, what you really need it for is putting the parts back together.

The right hand side cone needs to be locked tightly against the locknut. It is hard/impossible to do this without a cone wrench.

If the right hand cone is not locked up tightly, it can rotate as the wheel turns, tightening itself against the bearings. You run the risk of locking up the wheel and breaking the axle.

The left hand cone, if it becomes loose as you ride, will rotate in a direction away from the bearings giving you a sloppy adjustment, but not a sudden lockup of the wheel.

Get the right size cone wrench, lock up the right hand cone, put the hub back together, and make the bearing adjustments from the left hand side.
A big amen to this!
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Old 07-03-11, 01:58 PM   #9
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Thanks guys! I did use the vice and it worked (with 2 nails) on the cone. A cone wrench is ideal however this is my commuter bike so I need it and will have to wait on the wrench and tighten carefully with the vice again... I know, I know....
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Old 07-03-11, 07:19 PM   #10
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Cone wrenches are cheap.

Alternatively, if you have the right-sized spanner lying around, and have access to a grinder...
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