Old 07-14-18, 01:23 AM
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toast3d
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Is the conventional wisdom about hub maintinance wrong?

I have often seen the advice that one ought to keep hubs slightly loose when repacking them with fresh grease and new bearings. This is because they say that the axle will be compressed when the quick release is clamped down.

This doesn't make sense to me.

The lock ring should prevent that. You can clamp down the wheel as much as you want, but the force of the quick release is going to be hitting against the outer nut (lock ring), which is stopped by the cone that has been rotated out into it. That's the whole purpose of the lock ring. It ensures that everything stays in place exactly as you have adjusted it.

I just don't get it. Surely the force of the quick release can't be enough to overcome the threads on the axle, which it isn't even pushing against in the first place anyway. So why do so many people advise to keep the hub slightly loose when repacking it?
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