Found hanging on a fence in historic Virginia City, Nevada.
This was a single exposure, processed in Photomatix.
The geotag is not accurate, in case you're trying to track down the fence where this wheel was hung.
It was along the West side of Main street, but I'm not sure exactly where...
bicycle wheel squircle
As you can see, a squircle object needn't be square-on perpendicular to the image plane. It can be at an angle to the image plane and it still makes a neat squircle.