Post
The post is an Easton CT2 27.2, (really light and strong and gives a bit of flex too) the frame should come with a shim so you can use this option. I have a decent polished in-line 29.6 post if you want? I can also source a shim for you if you want tho? 29.6 to 27.2, a decent quality one, not a cheap one, bout a tenner I think Cane Creek Black cnc machined one.
I think Thomson do a 29.6 post too?