Originally Posted by
cyccommute
With an adjustable cup and cone hub there is no reason that you should wait nor any reason that the hub shouldn't be properly adjusted from the factory. You seem to be working under the idea that the hubs need some kind of "break in period" but they really don't.
I'm not sure why Shimano over tightens their hubs but it seems to be a consistent issue.
I know the only things on my bike that will need to be broken in are my brake pads, and my saddle. I was more just concerned about the bearings not lasting for the distances on the entire trip.