I have heard two issues recently, one I have experienced the other I have not. I was wondering if this stuff is widespread, an actual issue or just make believe? 1) Has anyone had issues with the rear hub blowing apart on the sprocket side? I had this happen three weeks ago upon landing, I now have metal bolted to my collarbone. 2) A friend called Pro Action to get his bike(11 YZ450) revalved they told him he needs a $90 shim to take care of an issue that involves the rear shock blowing out causing internal shock damage and one gnarly crash. I have had my bike since June and the only issue I have had with it is the rear hub blowing up. I took it as a freak thing after 8 months of pretty hard abuse but was told by an individual that he personally knows of 4 other people who had a similar hub failure. As far as the shock thing I have never heard of that before, my bike has been revalved by Active Ride since June with no issues, nor has anyone ever mentioned something similar to me. Pro Action told my buddy they have seen at least 25 shock failures due to this shim. Anyone else had either of these experiences? I happen to think my hub issue is a freak thing, and the Pro Action Shock Shim issue is a blatant lie.