Half Frame BagOur weatherproof half frame bags transform the empty space in your frame into quick access cargo capacity. The 3 sizes differ in small increments, so you can find the perfect match for your bike, and you can even print full size pdfs to ensure a dialed fit ( small med large ). The sturdy foam structure protects both the contents and the frame, and the extra long straps can be trimmed or moved to adjust the mounting points. Heavy duty water resistant