The perfect bag for a wilderness adventure or an all day ride around town. The Serfas© Ark Expandable Half-Frame Bag can adapt to accommodate more gear with its expandable bottom and will resist the elements with its durable water resistant construction. Thirsty? Pack your favorite water bladder (not included) and route the hose through the integrated Hydration Port.
Updated Design (2020) Adds 5 additional frame attachment points to bag bottom for an even more optimal and secure fit on various frame shapes and sizes.