BLACKBURN OUTPOST FRAME BAG     An expandable bottom compartment accommodates more mission-critical gear. We carefully consider what is put in each of our bags and tailor the compartments, pockets and other features to make sure there is a perfect place for everything. Sometimes you need more space, while other times you need less. This bag expands to accommodate both. The coated 210 ripstop nylon and polyurethane zippers provide extra protection and water resistance. Includes an adjustable mounting system to fit most any bike. Features: - Bag Capacity: 4,3L/5,8L (Expanded) - Dimensions: 457 x 178 x 279mm - Water Resistance: Water resistant, extra protection against the elements. - Organization: We carefully consider what is put in each of our bags and tailor the compartments, pockets and other features to make sure there is a perfect place for everything. - Expandable: Sometimes you need more space, while other times you need less. This bag expands to accomodate both. - Hose Port: The Outpost Elite Frame Bags feature a hose port to allow for the storage of a water reservoir and/or a cache battery to get dense heavy products to the lowest center of gravity. - Outpost Water Resistant: Coated 70D ripstop nylon and polyurethane zipers provide extra protection against the elements. - Adjustable mounting: Bikes come in a lot of shapes and sizes. This bag includes adjustable mounting systems to allow fitment to almost any bike.