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
Personal transporter legislators discuss a rapidly emerging potential class of motor vehicle and its relationship to laws relating to other transport devices, including electric bicycles and mobility aids such as mobility scooters. Commonly used terms are used for these new devices include: Media: "rideable", "electric rideable", "electric personal transporter", "personal electric vehicle", "personal transporter" "portable electric vehicle" "portable personal vehicle" and "portable transporter". Legislative: "personal mobility device" (Singapore, Australia - Victoria Transport Policy Unit) "personal e-mobility device" (Underwriters Laboratory), "electrically motorized board" (California USA), "personal light electric vehicles" (European Union), "electric personal assistive mobility device" (Washington State USA), "powered transporters" (UK). Other