Thanks Shaun! I'm thrilled with it so far. In fact this last weekend I raced it in a 15 minute main and it performed excellent. There were a lot of people interested when I finished in 2nd place.
As far as a conversion, I don't think it's doable. Here's a link to the specs on the XB8:
http://www.teamxray.com/teamxray/pro...ria=0&catName=
And here's the specs on the XT8:
http://www.teamxray.com/teamxray/pro...w%20XRAY%20XT8
Hope that helps.