Glad you found what you are happy with, but the real question is; is Mama happy? As for the slight gap, didn't even notice until you mentioned it. Now get out and ride the hell out of it. Be safe and God bless.
Good find! The seat oozes with a look of comfort front and rear. Covering the gap can be rainy weather project if it becomes a concern. I bet there are many members who have found an effective way to deal with the fit difference.