The Aventon Rack Top Bag is the ultimate accessory for your commute. This bag features a spacious main compartment that is conveniently divided for Safe & easy organization. Need extra storage space? No problem! The Rack Top Bag also expands into two expandable pannier side panels, allowing you to carry even more essentials on your ride. It??s built to withstand the demands of your active lifestyle, ensuring that your belongings stay safe and secure throughout your journey on the road.