Speedway and Grass track racing gained popularity in the nineteen twenties and thirties, and whilst some manufacturers such as Douglas, Rudge, and others, included machines in their ranges specifically for the purpose, many were built as specials by owner/riders for themselves, and sometimes for friends, to offset the cost of racing for themselves. Many different engines were utilised for these machines over time. This rolling chassis was fabricated by its late owner who made frames for his own racing machines, and a few selected customers, in the course of his competition career which stretched from the 1960s to the 1970s. It features an AMC gearbox, but it is not known what type of engine was fitted. It has been stored for many years, and will require re-commissioning or restoration. There are no documents with this lot.