Compact trunk bag with a large expanding main compartment and side panniers. Features a 600 Denier Polyester Dupont Teflon Coating for superb weather resistance. The bag includes an expanding main compartment with two side panniers and a multifunction top pocket. It also has aerodynamic rigid foam walls, a 3M reflective strip for safety, and a built-in carrying handle with a detachable shoulder strap. The QuickTrack mount system allows for easy attachment to a Beam Rack RX. Additional features include elastic top bungees and a safety light clip. Dimensions are 31x20.5x16-25cm, with a capacity of 7.31L and a weight of 755g.