Sissy bar for Harley Softail Low Rider ST 2022 detachable w. Set consisting of removable passenger sissy bar and mounting kit (Docking Hardware Kit).Detachable sissy bar for a stylish custom look and more seating comfort for the passenger. Relaxed and safer riding for the pillion passenger due to high backrest and comfortable back pad. Quick-release system for attaching and removing the complete sissybar from the motorbike in seconds without tools. Harley-Davidson part number for docking kit: 52300378. Softail Low Rider ST (FXLRST). Harley Davidson Softail Low Rider ST (FXLRST) 2022.