drsolo wrote:
I called Forest River, the tongue weight is 450 lbs.
Check the dual extension rating. Can't read the tag on your picture, but the similar one at
http://www.discountramps.com/2-hitch-adapter/p/DRH-1/?CID=PSC-PLA-Google-DRH-1-hitch-adapters&st-t=google-hitch-adapters&vt-pti=94805265142&vt-k=&vt-m=&CAWELAID=820562990000010442&CAGPSPN=pla&trkid=V3ADW216784_17196325582_pla-94805265142__85793659462_g_c_pla_&gclid=CNTaxsXEvckCFc2CfgodafkE1g is rated 400 lbs. Sometimes the tag will also say to reduce your receiver's rated tongue weight by half, and use the lower number.
I don't see a bike rack in the picture. Do you really need an extension?