08-14 HARLEY FLHX2: Le Pera RT66 Seat With Backrest (Standard) (Black) The RT66 is the widest seat with the most passenger comfort to ever wear the Le Pera&trade; name.Carpeted 16-gauge base plate.17" wide for driver area, 16" wide for passenger area.Vinyl Cover Option: Your first option of all vinyl is the way to go if you It looks great and is easy to take care of. Keep it clean with a damp cloth and go ride. That's it - simple.