Expandable tank bag, mounted through magnets and straps, that can be also used as a rucksack or a tail bag. It can be connected with the RA317 handlebar bag (using the M.O.L.L.E. system). $$Materials:$Black Polyester canvas, water repellant and UV resistant$ $As standard:$• Turns into a rucksack using two fold-away straps$• Breathable back side$• Roll-down closure for water tightness$• High contrast orange waterproof liner$• Water repellant fabric, anti-UV certified$• Adjustable volume via straps or by connecting the RA317 handlebar bag (using the M.O.L.L.E. system)$• Clear, 24x18 cm front pocket for smartphones$• Carry handle$• Reflective zippers and prints$