The Swagman Straddler is designed to mount to the A-Frame at the front a travel trailer. Its legs rotate to fit various frame widths. It telescopes to rise above propane tanks or generators already mounted on the trailer frame and creates a 2 receiver that can fit any 2-bike rack. Some drilling is required for installation. Max Load: 100lbs. including bike rack | Swagman Straddler Bike Rack