Serfas Ark Bag
The Serfas Ark expandable frame bag is a great choice if you are trying to maximize the gear carrying capacity of your bike for a bike-packing the wilderness adventure or weekend rail trail trip.
It adapts to accommodate more or less gear with its expandable section and will resist the elements with its durable water resistant construction.
The Ark features include: expandable storage (3L to 5L expanded), a hydration Port for water bladder compatibility (bladder & hose not included) and multiple exterior attachment points for clipping on accessories.
Capacity: 187 Cubic Inch Bag Volume (3L) / Expanded: 306 Cubic Inches (5L)