These classic styled solo seats are perfect for restoration or a custom bobber Covered with a variety of leather or vinyl covers Adjustable chrome front seat hinge Two rear mount studs for springs (springs sold separately) 1" x 3/16" welded center bar Studs are 5/16" x 3/4" long and 7" center-to-center Constructed of high-density polyurethane molded foam Simple, classic look