Available in 3 liters, 4 liters and 4.5 liters, the H2Pro frame bag is designed to store bulky items in the bike frame without changing the bike's center of gravity or handling characteristics. Constructed with our brand new H2Tex technology which consists of three layers of waterproof fabric and a high quality waterproof and dustproof zipper, the H2Pro frame bag features a hidden port that allows you to access to the contents of the bag more easily.

Giant exclusive H2Tex 3-layer waterproof material
Port design perfect for a charging cable or your hydration tube
Interior stash pocket keeps contents organized and in their place
High quality waterproof and dustproof zipper