The cube orbit z is a semi integrated headset on top and fully integrated below for a tapered 15 inch steerer tube extra reducing cone for 1 18 inch steerer tube 20112012 epo shadow black 2011 u stvzo ams 130 race sl 2011 ams 150 race sl 2011 agree pro sl 2011 litening hpt 2011 epo shadow black 2012 u stvzo ams 130 sl slt 2012 ams 150 race sl 2012 ams 29er race slt agree pro sl 2012 2013 access wls gtc 2013 reaction gtc pro race sl 2013 elite hpc race teamline 2013