The pro storage bottle want to keep your bike looking clutter free and avoid riding with a saddle bag well the pro storage bottle 500cc is just what you need a handy storage device that fits in your bottle cage and uses a screw cap to keep everything secure the ideal size to hold an inner tube and a multi tool pro storage bottle features made from strong plastic secure screw top store an inner tube and a multi tool fits neatly in a conventional 74mm bottle cage wid