OEM Holdfast Sissybar passenger Backrest Harley M8 Softail Street bob Luggage raOEM Holdfast Sissybar passenger Backrest Harley M8 Softail Street bob Luggage rack assy & pad. Not certain of all years or models. Sizes are in pics, compare to your application before purchasing info from Harley below A sissy bar and passenger backrest pad is the starting point for building a complete touring machine. The backrest adds long range comfort and support and provides a feeling of confidence and control for the passenger. HoldFast One