This Bicycle Sprocket Attachment will work with any standard Bicycle Chain. It is easy to install and will guarantee that you will have fresh flour when the power is out- it is the PERFECT "prepper's dream attachment".
With this Bicycle Sprocket Attachment, you can attach any bicycle to your Wonder Junior Grain Mill and produce flour and many other things! You can do this, all the while getting your exercise! And no worries if there is no power! If you have kids, this is an awesome, MUST HAVE attachment!