The Hold Fast Half Frame Bag from Swift Industries lets you take advantage of the empty space in the triangle of your bike frame. Its a rugged, reliable home for awkwardly shaped bikepacking essentials like a pump, tent poles, or hydration bladder. Double-up with the Moxie Top Tube Bag for even more storage atop the frame. Be sure to measure up, so you pick the right fit for your bike. Available in: 2.75Ltr, 3.25Ltr and 4Ltr capacities (see Specifications for more).