5′ 2″ diam., 16 oval spokes, rectangular inner rim, apparent tread 4″.
Hub 16″ face dia., ¾″ out from the tyre, pin between at 10″.

Castings: 51.7 mm tread dia., 45.4 mm i/d., hub 0.6 mm out from the tyre, pin at 8.3 mm.

Casting prices and stock . GN loco sets, price list

Scan of the castings in a set for a GN 0-6-0 J22/LNER J5, J6