Sinclair C5 with Sinclair claiming that he had found "very big" levels of interest. Hoover were sufficiently persuaded to allow Sinclair to divert 10 of their employees to modify C5s for overseas export. The bid to sell the C5 abroad failed; the Dutch National Transport Service told Sinclair that the C5 was not suitable for Dutch roads without improvements to its braking system, the addition of more reflectors, and the inclusion of the High-Vis Mast as part of the basic package. Most of the other ten countries that Sinclair inquired of demanded similar changes. The C5's reputation received a further battering when
Sinclair Zike miniaturisation" but stated that "a quick test ride suggested the Zike is too unstable and lacking in power to make a cyclist feel secure on the nightmarish roads of London." Similarly Nik Berg for "Auto Express" noted that the Zike was lightweight and portable, but expressed concern about the lack of power and stated that "potholes should be avoided at all costs—the tiny wheels just get swallowed." Sinclair Zike The Zike, or Sinclair Zike, was a lightweight electric bicycle invented by Clive Sinclair and marketed by his company Sinclair Research Ltd in 1992. It was a commercial failure, selling only