Yes, the Mount-n-Lock SafetyStruts Universal RV Bumper Support Brackets # MO34VR are included with the 24x60 etrailer Cargo Carrier for RV Bumper # e99049. The supports are not included in the instructions assembly drawing as it not always able to be used with every bumper and is a separate component. The instructions for both of these are included at the bottom of the page. view full answer...