Giant H2PRO Frame Bag Size:- XL - 4.5 Liter Like bringing your floor pump

Like bringing your floor pump on the trail

Spot optical element kicks in as your speed increases allowing you to see further down the road

thoughtful ergonomics

Threaded Presta and Schrader valve compatible system

Use with PC to update Di2 component firmware and change system functions with software from www

Giant H2PRO Frame Bag Size:- XL - 4.5 Liter Like bringing your floor pumpAvailable 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 bikes 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