Bikeart

Marcel Duchamp, Bicycle wheel (pic: 1963)

Gabriel Orozco, Four bicycles (there is only one direction) (1994) 

Robert Rauschenberg, Riding bikes (1998)

 Cezary Bodzianowski, Giro d'Italia (2007)

Mark Grieve & Ilana Spector, Cyklisk (2010)

Olafur Eliasson, Inner city out (2010)

Ai Weiwei, Forever bicycles (2011)