Brooks Pannier system (Left + Right Bags) for F800GS/F700GS/F650GS TWIN Right Pannier=41 Liters, Left Pannier=38 Liters Panniers made from 2mm aluminum with stainless steel rivet construction Anodized silver High-Impact Trim covers protect the edges and corners of the luggage Electro-polished stainless steel racks (sold separately)