The handlebars are trekking bars (+/- $10.00 nashbar) wrapped in brooks bar tape.
Novakane - I hauled my wife and I's queen sized bed on the trailer. I put the frame on the bottom, then the box springs and then the mattress and put one ratchet strap over it.
It never budged and cars give you LOTS of room to pass when you have a queen sized bed behind you.