Nos Smiths England Zahnradsatz für Winkeltrieb in Bremsankerplatte vorne links
Standard Norton 16H

Das große Rad hat rechtsgewinde, damit es sich nicht lösen kann.

Smiths speedodrive NOS 43 /14 RH thread

must be Norton brakeplate front left side and 19´´ Wheel

Norton 16h and others
dimension seem pictures please 

please check my informations, that is what I think it is

transmission of the original Smiths speedodrive is 3 to 2 

for prewar girderfork Motorcycles

international shipping 12€ D 8€