3′ 3½″, 10 oval spokes, vee inner rim, apparent tread 3½″.
Hub 16″ face dia., 5/8″ out from the tyre.

Source: works drg.

Casting: 32.9 mm tread dia., 26.9 mm i/d., hub 0.4 mm out from the tyre.

Casting prices and stock . BR loco sets, price list

Scan of a casting in a set for a BR Britannia, 2-6-0 2MT