Originally Posted by
Dan Burkhart
Unless as you fear, the cups and cones are not salvageable. Then it is probably a no go.
I know what dynos feel like, this is abnormally crunchy. It's easy to move the axle around, I think some of the bearings may have come out as dust. Hub still works fine as a dyno though.
The funniest notchy dynohub was my SoN XL. I didn't think about the fact that a TS-2.2 truing stand shorts the hub. I thought the hub was broken. I only realized what was going on much later.