PASSENGER AND DRIVER BACKREST FOR CORBIN SEAT HARLEY ROAD KING SOFTAIL HONDA CUSTOM MADE IT FITS MODELS OF CORBIN SEAT FOR HARLEY DAVIDSON AND MANY BIKE MODELS ON DIFFERENT BRAND. AS LONG IT'S A CORBIN SEAT, THIS WILL FIT. IT FITS SPORTSTER, SOFTAIL, TOURING AND MANY OTHER BRAND LIKE YAMAHA, HONDA AND SUZUKI YOU CAN INSTALL ON A DUAL AND SINGLE SEAT IT WILL FIT EITHER RIDER OR PASSENGER POSITION ADJUSTABLE FOR ADDED COMFORT.