Questions? Looking for parts? Parts for sale? or just for a chat,
The WD Motorcycle forum
BSA KM20 combo for sale on Carandclassic.co.uk
The frame was originaly a pre-war civilian M21. The engine is mid-1939 from a WD KM20.
There's another M20 come up for sale tonight at Carandclassic.co.uk a 1938 model.