Originally Posted by cyccommute (Post 17265112)

I know what the grease was supposed to do. It didn't...nor could it...work in practice. Would you want to go back to that system?

Originally Posted by cyccommute (Post 17266283)

Unless flawed, it takes a lot to destroy a ball bearing. Your bearing broken in half says to me that it was flawed.

As for a 300 to 1000 mile maintenance interval, that's excessive. Most everything I've seen suggests once a year, although I've gone far longer without issues. Make sure they are adjusted properly out of the box, however.