The Hold Fast Half Frame Bag allows you to take advantage of the space in the triangle of your bicycle frame, providing a home for awkwardly shaped essentials like a pump, tent poles, or a hydration bladder. Talk about practical storage! Versatile Attachment Points Accommodates a wide range of frames. Dual-Pocket Storage Main drive-side compartment, plus a quick-access pocket for small essentials Hydration Hose / Cable Port Route a hydration tube or power cable through the top panel. Water-Resistant YKK Zippers Protects contents from road spray and light weather. Foam Padding Adds stability & protection without bulk. Low-Profile Design Plays nicely with bottle cages and tight frame clearances. Includes: 2 x one-wrap velcro attachment straps FIT GUIDE: 2.75L Hold Fast Half Frame BagMeasurements: 16.5"L X 3.75"H X 2.25"DCapacity: 2.75LWeight: 5.75 oz 3.25L Hold Fast Half Frame BagMeasurements: 18.75"L X 4.25"H X 2.25"DCapacity: 3.25LWeight: 6.5 oz 4L Hold Fast Half Frame BagMeasurements: 20.25"L X 5"W X 2.25"DCapacity: 4LWeight: 7 oz Materials List Swift Industries SI600X, recycled polyester RBC450RS (Recycled Bag Cloth Ripstop 450D) Country of origin: Indonesia