The Whike is a recumbent tricycle with a sail, made in the Netherlands.
The Whike 1.0 was released on 5 June 2008. It has a standard sail and can reach speeds up to with wind speeds of 4-5 bft . It can be legally used on both bike lanes and streets in the Netherlands and UK. Activating the front brake releases the sail's spinlock, assuring there will be no more wind-propulsion.