WAGON AND BOGIE PAIRS. 16.5mm gauge RP25/110 profile, blackened brass tyres, pinpoint axles (wheel pair = 2 wheels and 1 axle) Code suffix indicates axle length (e.g. 232.25, 316.26) as follows:
26mm = NMRA and British standard
25mm = shorter option
23.8mm = available but non-preferred.
For flush axles, order wheels from the SINGLE WHEELS section and axles from the AXLES section