Trailer frame and wheels to make a TravelCase into a Travel Trailer frame, Includes trailer frame, two wheels, socks for packaging and 1 reflective flag. Hitches are sold separately. See hitch descriptions to match to your bike model. 2 -12" pneumatic wheels, all attachment hardware and neon reflective triangle. Just needs a bike side hitch and a TravelCase to complete. The gross weight limit for the trailer is 75 pounds. This includes the weight of the trailer (6.7lbs) and if you are using the F'Lite case (13lbs) so the total capacity for your gear is 55lbs. For more carrying capacity, we also offer the BF Travel Trailer Heavy Duty Version which has a gross capacity of 100lbs.