Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,755 pages of information and 211,898 images on early companies, their products and the people who designed and built them.

Symplex Motors

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Symplex of Alma Street, Birmingham

Symplex was a motorcycle produced between 1914 and 1915

1914 Designed by J. J. Allen, the name first appeared in December 1914, on a machine that was probably intended to offer basic transport during the early days of World War I. The engine was a 318cc Dalm two-stroke and the model had two speeds or direct belt drive and Brampton Biflex forks. Like so many other makes of the era, it was very short lived.

See Also

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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