Robert Cobcroft 31 May 2012 Bikes, Cycling History, Brisbane Cycling Corratec Racing Bicycles I K O Design Bio Metric Bow System Bikes 1995 Robert Cobcroft 31 May 2012 Bikes, Cycling History, Brisbane Cycling Corratec bow bikes, I K O design bio metric bow system. A Corratec Road bike and a Corratec track bike from the mid 1990's