6′ 2″ dia., 18 oval spokes, low vee inner rim, apparent tread 4¾″.
Hub 20″ face dia., central boss ⅛″ out from the tyre, pin between at 13″.

Source: No 1264 measured direct at Loughborough in 1995.

Casting: 61.7 tread dia., 54.2 i/d., hub level with the tyre, pin at 10.8 mm.

Casting prices and stock . LNER loco sets, price list

Scan of the castings in a set for LNER Thompson B1.