Sir Clive Sinclair to release a modern C5 - the X1 electric bike

Tom Webster

It has taken a long time for him to have another go, but Sir Clive Sinclair is clearly convinced that his C5 electric car/bike from the 1980s was a concept worth persevering with.

The British inventor intends to release a new take on his much-derided flop, another electric bike called the X1.