I don't need any steak knives but if you read the rest of that thread that TX is referring to then isn't this old news?
http://www.pinewoodderbyonline.com/post/old-style-bsa-wheels-6644688?pid=1280507490#post1280507490
http://www.pinewoodderbyonline.com/post/old-style-bsa-wheels-6644688?pid=1280507490#post1280507490