Words by Maurice Tierney. Photos courtesy of www.firstflightbikes.com. Richard Cunningham founded Mantis Bicycles in 1981. Ever the innovator, Mantis made a variety of bikes, including the fillet brazed Sherpa, Pro Floater suspension bike and Flying V monocoque frame. Here we have an early Valkyrie X frame bike, made just before elevated chainstays came into vogue. ...