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
Prisoner transport vehicle prisoners especially to state prisons across the US. They were usually quite secure and offered no way of escape for transporting prisoners. In Canada, most provincial governments have their own fleet of prisoner transport vehicles built to specifications developed to meet their own particular needs. All vehicles, however, must meet the Canadian Motor Vehicle Safety Standards (CMVSS) to be licensed for use. These vehicles are usually built by an authorized second-stage vehicle modifier who will affix the National Safety Mark to the vehicle after completion and testing. In the past police officers were used to carry prisoners on horse-drawn wagons,