Yea, that hitch extender is really creating some leverage. I have a similar carrier for an ATV and use it without extension on my Expedition and it puts A LOT of pressure on that hitch.
Speaking of bikes, here is my bike. Its registered and 100% street legal:
http://www.marissa.org/street_banshee/
--John
__________________
2006 Hummer H2 Lux Series
www.JohnHasMoreFun.com
1/4 Mile 15.29@91.34mph
Mods:
Magnusun Radix Supercharger!!!
Switch to allow full Nav Controls while moving
Warn 9.5 Winch