Tyrus Cycle Co
From Graces Guide
Silver Prince were motorcycles produced from 1919 to 1924, and built by the Tyrus Cycle Co
1921 The first machines appeared as conventional lightweights with Brampton forks, a 269cc Villiers engine and a choice of single speed or two-speed Sturmey-Archer gearbox and chain-cum-belt transmission. Towards the end of the year, a utility vehicle was added. This had either the same Villiers engine or a 292cc JAP, and was sold under the Indian Prince name.
1923 There were no listings for that year.
1924 The name returned, for one more year, on machines with either 147cc or 247cc Villiers engines and the same transmission options. Some machines at 346cc.
Indian Prince were motorcycles produced from 1920 to 1924.
1920 This model was better known as the Silver Prince and was fitted with the usual 269cc two-stroke Villiers or 292cc sv JAP engines with single speed or two-speed Sturmey-Archer or Albion gearbox and chain-cum-belt transmission.
1924 There were 147cc or 247cc Villiers engines with the same transmission. Both models dropped from the listings after that year.
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
- The Encyclopedia of the Motorcycle by Peter Henshaw. Published 2007. ISBN 978 1 8401 3967 9
-  Ian Chadwick's motorcycle web site
-  The A-Z of Historic, Classic, Vintage and Veteran Motorcycles web site