Giant H2PRO Handlebar Bag 9L Medium BlackThe H2Pro Handlebar Bag has dual roll closures and an air bleed valve, allowing you compact and flexible storage capacity. With a three point attachment fastening system, designed to securely stabilize the pack in the center of the cockpit as well as eliminate abrasion issues, the H2Pro Handlebar Bag also has a headlight attachment, reflective strips to increase visibility as well as an extension attachment for the H2Pro Accessory Bag. Dual roll