Zefal - 5L Handlebar Bag The Zefal 5L Handlebar Bag is a handlebar-mounted storage solution designed for bicycle touring and bikepacking. The bag features a roll-top closure system to ensure contents remain secure and protected from the elements. Constructed from water-resistant materials, it includes reflective strips for increased visibility in low-light conditions. The attachment system utilizes adjustable straps to provide compatibility with a variety of handlebar shapes and diameters.