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Old 07-05-19, 04:47 PM
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Popeye2419
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Hi

How do I remove a cross threaded locking nut on the crank safely and not damage the threads
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Old 07-05-19, 05:08 PM
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Andrew R Stewart 
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Which part is the "locking nut"? Also one could have a good argument in saying that some thread damage has already happened with the initial cross threading.

What materials are we dealing with? What access? Do you have access to Dremel or similar tooling? Andy
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Old 07-05-19, 05:37 PM
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Originally Posted by Popeye2419 View Post
How do I remove a cross threaded locking nut on the crank safely and not damage the threads
I think that horse is out of the stable. Cross-threading by definition has damaged the threads.
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Old 07-05-19, 05:58 PM
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If it's a square tapered spindle in an old three-piece bottom bracket, the good news is the part is cheap. If there's a bike co-op in your area, they probably have a large bin full of them for a buck a piece. The bad news is you need special tools and some skill to remove and reassemble.
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Old 07-05-19, 07:06 PM
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Perhaps youíre talking about the lock ring on a one piece crank (non drive side)? If so, itís reverse threaded, so make sure youíre turning it the correct way. If itís really cross threaded, hit it with penetrating oil and use a big wrench. With luck, the damage will
mostly be to the threads on the nut rather than the crank, but even if itís the crank, itís not an expensive part.
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