4′ 1½″ diam., 12 oval spokes, rectangular inner rim, 3″ apparent tread, 6″ tyre width.
Hub 16″ face dia., ¾″ out from the tyre.

Casting: 78.6 mm tread dia., 69.5 i/d, hub 1.2 mm out from the tyre.

Casting prices and stock