This a 18"wheel I designed with 3D program Inventor
http://i25.tinypic.com/65wryb.jpg
http://i31.tinypic.com/11bna6b.jpg
http://i31.tinypic.com/2qulok3.jpg
wheel with tire
http://i30.tinypic.com/a0jac6.jpg

I can also see this design in a chopper.

what program did you use?

i would also like 2 know what u used.
Looks cool btw.

I already mentioned it:
"This a 18"wheel I designed with 3D program Inventor"