Weekend before last amongst all the carbon, aero helmets and disc wheels there was somebody in Mumbles Duathlon on a KHS identical to yours Racer X
http://www.sportysnaps.com/content/triathlon/mumbles_duathlon_2012/cycle_return02/ts_sh10684.htm
http://www.sportysnaps.com/content/triathlon/mumbles_duathlon_2012/cycle_return02/ts_sh10684.htm