BMW G310GS Rear Rack Top Plate for mounting any type of Top Box(Carry Case) or Luggage Bags. The Plate Keeps your Top Box perfectly mounted in place for a carefree ride. The plate is mounted on top of the existing rear racks for long distance traveling and additional luggage. The plate has additional cuts and all four sides to tie your bungee cords. Plate is a Heavy Duty 3mm CR Mild Steel textured Black Powder coated for rust resistance.