Federal motorcycles were produced from 1921 to 1929, by the Co-operative Wholesale Society (CWS).
Later, 172cc Villiers engines were used along with three-speed all-chain transmission and Sturmey-Archer gearboxes.
1929 The name was dropped, but company continued with the Federation until 1937, when they went back to the supply of groceries
Sources of Information
- The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X
-  Ian Chadwick's motorcycle web site