Cobra Big Ass Racks are larger detachable racks that work seamlessly with the detachable backrest. It is 30% larger making it a perfect fit for your machine.; ; The top of the rack is about level with the top of the seat Avoids scratching the bikes fender as you are able to attach bungee cords or mounting straps Roughly measured at 13" front to back and 19" wide Does not work with or require H-D mounting kits