Registration No: PXS 650Frame No: 31386MOT: Exempt

Beautifully restored to a very high standard
A 350cc frame which has been fitted with a 500cc engine
Features some very rare period fittings

Calthorpe motorcycles were produced between 1911 and 1939, primarily in Birmingham.

By the 1920s, the range encompassed JAP, Precision, Blackburne and Villiers single-cylinder offerings up to 500cc.

Calthorpe started using its own engines from 1925, including an OHV 350 and an OHC 500.

The Ivory range, so-called for its distinctive colouring, arrived in 1929, initially with a 350 but later expanding to including a 250 and a 500, each with a double-port OHV engine.

The factory closed in 1938 and the marque was bought by Bruce Douglas, who transferred production to Bristol.

He only built a handful of 350 and 500cc Matchless-engined machined before war broke out and the venture was abandoned.
This beautifully restored machine comprises a 1936 Ivory Calthorpe 350 frame which, at some stage, has...