Available in multiple valve lengths

Stress-free pedaling

Mud shedding rotor blade design

making the Velo Cache the best solution for expensive road

soft inner foam layer allowing for maximum protection

Serfas EXPANDABLE HALF 5L Frame Bag Black giant Available in multiple valve lengthsThe Serfas Ark Expandable Half Frame Bag can adapt to accommodate more gear with an expandable bottom and resists the elements with a durable water resistant construction. Thirsty? Pack your favorite hydration bladder and utilize the integrated Hydration Port routing. Design Updated (2020) 5 additional frame attachment points have been added to the bag bottom for an even more optimal secure fit on various frame shapes and sizes. Expandable Storage (3L