Sinclair Zike maximum speed of the bicycle operating under its own power was kept below 15 miles per hour to prevent it being classified as a motorcycle under UK law. The Sinclair Zike was developed by Sir Clive Sinclair following the commercial failure of the Sinclair C5 in 1985. Electric vehicles were one of his long-term research ambitions. The Zike was financed largely with his own money, and the manufacture was subcontracted to Tudor Webasto, a Birmingham-based company. The Zike was launched on 5 March 1992 at the Cyclex exhibition in Olympia, London, when a prototype was demonstrated to both press and
Clive Robbins and Clive documented their observations and techniques in painstaking detail, making and transcribing recordings of their sessions. When Paul left Sunfield in June 1960 Clive accompanied him, gripped by the urge to continue what they had started. They visited 26 curative homes across Europe, giving illustrated presentations and live demonstrations of their work, then spent the next six years in Philadelphia exploring and establishing the work which they called therapy in music. A research grant from the National Institute of Mental Health supported them in this. There followed seven years in Europe where Paul and Clive worked as Lecturing Fellows