Pretty much most of your parts will work. Wheelset, BB/cranks, are the same. No on the 1.5 though.
The catalog is wrong. The headtube is zerostack 1.125".kevc5555 said:Really? I thouht 08 6points had the 1.5 HT? Is the IH Ctalog wrong?:
http://www.ironhorsebikes.com/downloads/IH_2008_catalog.pdf