Originally Posted by
bradtx
It's a new bike so possible that the OP's freehub is already 8+ compatible and has the spacer that, Bill, alluded to.
Brad
Hopefully it will be, but if not, will the 8+ speed freehub body off the Deore hub fit it? I can never remember what the compatibility is between Shimano freehubs, IIRC there are two types of hub/body interface...