The general consensus of the members here is that bikes should not be carried on the back bumper on light weight campers. Luckily, the bumper stayed on the camper. Fix the cracked bumper, find another way to carry your bike, and you will be good to go.
Chap , DW Joy, and Fur Baby Sango
2006 Ford F150 Super Cab 4x4
2008 Surveyor 263