That kind of makes sense, although the website says "16", not "I6", and there are other bikes out there who spec the same "16/cc", but from FSA and TH industries (I'm sure I came across shimano to, earlier):
http://eclipsebicycles.com/en/Bikes_30/items/Touring_105_Comp_27__-_119999_$CAD_1974.html
http://www.silentsports.com/store/pr...Cx-Ultegra,-M/
http://www.devinci.com/anciensite/english/mill.html
http://www.fairfieldbicycle.com/page...roduct_id=1490
http://www.teamcyclist.com/store/Lou...-ID_P10237.cfm
Some of the Leader frames do spec Cane Creek IS, do they all accept the same headset regardless? If it is IS-6, will other Cane Creek headsets work as well, such as the IS-2? I'm on a budget here...