Adjustable Side Loading Cage to fit bottles 2 1/4" to 4 3/4" and can be mounted as left or right handed.  Keeps all sizes of bottles secure and great for tight spaces. Easy as ABC: The ABC (Any Bottle Cage) by BiKASE is an innovative water bottle cage that can expand or contract as you need it, keeping your bottle secured and easy to reach Easy to Install: Quick and simple to install and comes with 2 screws, which give it a firm hold when secured against the threaded holes on your bike’s frame. Unique L-shaped adapter allows you to customize which side of your bike you can access your bottle from. Easy to Use: Simply turn the knob to tighten or loosen the ABC from a small 2.25” to a wide 4.75”, giving you enough range to keep any bottle or container – or even a small speaker Ambidextrous: Bottom retainer allows you to customize which side of your bike you can access your bottle from. Patent Pending