When I went down a little while back, I was talking or asking about the clicking I had in the rear. I took my bike in and that's what they told me. The louder the clicking the better the hub. I said I don't know if I can believe that or not. He walked over to a shelf and pulled out a $400 hub and spun it and I couldn't believe the noise it made.
I read in one of Lance Armstrongs book, about the TDF, and about 40 bikes coming into a town. They had such a loud humming sound that little kids were holding their ears and crying.
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George