Originally Posted by danielhaden
It weighs less than derailer systems except for Dura-Ace. However, the weight is not distributed because it is all inside the rear hub. There is no performance reduction from this.
This seems to be the one provable assertion in this thread, and several others have also made counter-claims about the 'heaviness' of the hub--does anyone have any details or first-hand knowledge (i.e. before and after conversion weights) of this?