7′ 9″ diam., 24 rectangular spokes, rectangular inner rim, apparent tread 4″.
Hub 19″ face dia., 2¼″ out from the tyre.

Casting: 77.5 mm tread dia., 70.3 mm i/d., hub 1.9 mm out from the tyre.

Casting prices and stock . GWR loco sets, price list

Scan of a casting in a set for a GWR Dean Single 2-2-2 as built . 4-2-2 rebuild