The lower stance probably. Go ride the C90 or a 1500LC. The low stance and the low center of gravity makes riding it easier than the Fat Boy. If you can ride the Fat Boy you should have no problem riding the C90.
__________________ Biketoberfest 2006 flashback courtesy of Intimid8er: "Like you knew damn well you shouldn't eat something like that, but all be damned to hell, you were gonna eat it!" 
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