I got ya, so the knobbies help dampen the torque of the wheel, taking the pressure off of the hub. less knobbies more torque on the hub.
Glad to hear that the repair would be on the hub and not the transmission. This definitely gives me piece of mind.
2006 Husqvarna TE 610
Gone but not forgotten--
2006 Husqvarna TE 510
2004 KTM 625 SXC
1977 CB750 F
2000 Ducati Monster 750
"Go that way really fast... If something gets in your way, Turn. "