Diy Travel Trailer Bike Rack . This rack is a bench that mounts to a pickup truck's bed and can support bicycles up to 70 lbs. It allows you to be able to see your bikes. 24 Of the Best Ideas for Diy Rv Ladder Bike Rack Home, Family, Style from favorabledesign.com Find this pin and more on beach gear by scott colson. Pick up a 6×10 foot trailer from your nearest junkyard to create. Gather the materials for a kayak rack.