This Givi 5137FZ Monorack Arms BMW F900 XR 2020 on models is designed to accept a variety of Givi mounting plates enabling a corresponding Givi Monokey Case or a Givi Monolock Top Box to be fitted. For a Givi Monokey Case a Givi M5 Monokey Plate, a Givi M7 Monokey Plate, a Givi M9A Aluminium Monokey Plate or a Givi M9B Aluminium Monokey Plate Black is required and for a Givi Monolock Top Box a Givi M5M Monolock Plate is required. Please note that this Givi 5137FZ has the 2 supports, their fittings and the instructions included and not a top plate. If this rear rack is to have the Givi M9A, Givi M9B, Givi M8A or the Givi M8B Aluminium Plates fitted there is no facility to accept an additional stop light or remote control device on to the rear case. Please also note that these Monorack Arms can only be fitted to the BMW F900XR, 2020 models and onward, that do not have a standard BMW Rear Rack fitted (bought as an optional extra). If a BMW Rear Rack is fitted the Givi SRA5137 Monokey Rear Rack BMW F900 XR 2020 on models should be used. For additional luggage space the Givi PLO5137MK Monokey Pannier Holders, the Givi PLO5137CAM Trekker Outback Monokey Pannier Holders, the Givi PLX5137 V35 or V37 Monokey Side Pannier Holders or the Givi TE5137 Easylock Pannier Holders are available.