Kristin -
I think you've got a couple things mixed up. The sway bar is a little thing - often a flat metal bar, about 2" wide by 16" long, weighing maybe 5 pounds. Leon will probably tell you that he ditched it because it is an extra thing to hook up, and it is not needed with most tow vehicles (because of the TM's design). By the way, if you use a sway bar, it is supposed to be removed when moving or backing.
The WD (weight distributing) hitch is the heavy part - maybe 50-75 pounds of steel. Most of us, including Leon with his Trailblazer and myself with my Explorer, use one. Unless you have a BIG truck (Ford Expedition / Chevy Tahoe / etc), you need one.
Bill
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