Sinclair Research worried that Clive Sinclair himself was using his own personal wealth to fund his inventions. By 1990 the company's entire staff had been reduced to just Sinclair himself, a salesman/administrator, and an R&D employee. By 1997 only Sinclair himself was working at his company. In 1992, the "Zike" electric bicycle was released, Sinclair's second attempt at changing people's means of transport. It had a maximum speed of , and was only available by mail order. Much like the C5, the "Zike" was a commercial failure, and sold only 2,000 units. In 1999 Sinclair released the world's smallest radio, in the
Clive Gallop Clive Gallop Colonel Reginald Clive Gallop (4 February 1892 - 7 September 1960) was an engineer, racing driver and First World War pilot. He was one of the team which developed their first engine for Bentley Motors. Clive Gallop joined the Royal Flying Corps, flying aeroplanes over the Western Front. He commanded a number of flights, including No. 56 Squadron. London racing driver, motor vehicle dealer and engineer W. O. Bentley had suggested aluminium pistons to his car supplier Doriot, Flandrin & Parant and had them installed in those cars he imported. Following commissioning on the outbreak of war as