1932 Les Blakeborough dirt track motorcycle with wood ball rear tire.
https://s3-us-west-1.amazonaws.com/h...l_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...111#post187850
https://www.homemadetools.net/forum/...049#post203124
https://www.homemadetools.net/forum/...492#post127847
https://www.homemadetools.net/forum/...402#post192711
https://www.homemadetools.net/forum/...614#post143339
