Since you're wanting to use the bike rack on a travel trailer you need to use the Transfer V2 # KU84FR instead of the Sherpa 2.0, like part # SH22G.
True, the Sherpa looks a bit more fancy but it hasn't been tested and approved for the exaggerated movement at the back of a travel trailer so if you were to use it and the rack failed it wouldn't be covered under warranty. view full answer...