On Sun, 16 Sep 2012 11:34:48 -0500, Ignoramus29457
wrote:

I need to buy a couple of these thick washers. They hold a wheel to
the hub. Note that the wheel is clamped down with these, it is not
like the usual wheels that have bolt holes.

I need to know what are these washers called so I can find where to
buy them.

Thanks

Rim clamp?