This BICYCLE SPROCKET CONVERSION KIT ATTACHEMENT works with any standard Bicycle Chain. It is easy to install and will guarantee that you can 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 all the other amazing things it can grind. You will get your exercise and have no worries if there is no power. If you have kids---- This is an awesome "Must Have" Attachment.
Wonder Junior Bicycle Sprocket Conversion Kit