Front wheel: Sturmey Archer X-FD 70mm Drum brake, 36h, 3x 2.0 straight gauge spokes, Sun CR18 rim, brass nipples.
Rear wheel: Sturmey Archer S3X 3sp fixed hub, 36h, 3x 2.0 straight gauge spokes, Sun CR18 rim, brass nipples.
OP looking for a S3X wheel...? I gots one for sale. Details in
this thread.