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 138,170 pages of information and 223,198 images on early companies, their products and the people who designed and built them.

Tribsa

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Tribsa was a modified café racer motorcycle of the 1960s-1970s.

The name came from a contraction of Triumph and BSA (the Birmingham Small Arms Company) - the two brands of motorcycle combined.

The intention was to combine the best elements of each to give a superior bike to either. The usual practice was to take the Triumph parallel twin engine and use it to replace the engine on a B series BSA motorcycle which were generally single cylinder. The Triumph engine gave good performance and reliability and could be tuned easily for greater power. The Tribsa was an alternative to the Triton which was a Triumph engine in a Norton Featherbed frame.


Sources of Information

  • [1] Miscellaneous A-Z Classic and Vintage Motorcycles web site
  • [2] Wikipedia on Tribsa