One problem I get asked about frequently is mounting a seat.. Just putting brackets on each end, bolting them to the frame is plenty easy.. But.. That usually ends up with a cluttered look with brackets sticking out.. I use mounting pins in the seat base that will slip into bungs, or tubes, welded in the frame.. If it's a longer, two up seat.. I use the pins at the front and add Velcro to the rear of the seat and fender.. This setup gives an easy way to slip the seat on and off to gain easy access under the seat.. Here's a couple examples of what I'm referring to