Available in 3 liter, 4 liter and 4.5 liter sizes the H2Pro Frame Bag is designed to store bulky items within the bike frame
without altering the bike’s center of gravity or handling characteristics. Constructed with Giant s all-new H2Tex three-layer
waterproof fabric and a high-quality water and dust proof zipper, the H2Pro Frame Bag features a hidden port that allows you discrete access to the bag for charging batteries or connecting to a hydration bag.