Sinclair C5 major consumer organisations published sceptical evaluations. The Automobile Association questioned many of Sinclair's claims in a report published at the start of May. It found that the range of the vehicle was typically only about 10 miles (16 km) rather than the promised by Sinclair, and reported that the C5's battery ran flat after only on a cold day. The C5's running speed was more usually around than the claimed , while its running costs compared unfavourably to that of a petrol-driven Honda PX50 moped. The stability, general roadworthiness, and especially the safety of the C5 were questioned, and the
Sinclair Zike 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 2,000 units while originally intended to be produced at the rate of 10,000 a month. It was ended six months after introduction. The Sinclair Zike is a portable bicycle with a small electric motor driving the rear wheel and with batteries built into its frame. It weighs 11kg. The batteries fit inside the central shaft together with the motor. It uses nickel–cadmium batteries which have half the