The Hold Fast Half Frame Bag allows you to take advantage of the space in the triangle of your bicycle frame, providing a cozy home for awkwardly shaped essentials like a pump, tent poles, or a hydration bladder. Talk about practical storage!

• Large, main pocket and small, external organizer pocket; YKK water-resistant zippers
• 0.125″ closed cell foam for padding at top tube and downtube
• Built-in nylon mesh interfacing along top tub to add rigidity and support
• One-wrap velcro attachment straps with flexible mounting points for top tube
• Hydration hose/cable port on top panel of bag
• 4 L: 20.25” X 5” X 2.25”