Cheap hubs. I've stripped the lockring threading on a hub before (not fun when you're brakeless) but it was only because it was so cheap. You can over tighten a lockring, just do it up hand tight, don't put your weight on the tool to do it up.
@Sumo started
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Cheap hubs. I've stripped the lockring threading on a hub before (not fun when you're brakeless) but it was only because it was so cheap. You can over tighten a lockring, just do it up hand tight, don't put your weight on the tool to do it up.