Welcome Clive aka N/A...
the sprocket and chain would be available at most any mechanical gear supply house here in the US......
perhaps you have one available to you down there..
the washer and hex from anyplace that sells nuts and bolts...
the sprocket and chain would be available at most any mechanical gear supply house here in the US......
perhaps you have one available to you down there..
the washer and hex from anyplace that sells nuts and bolts...