I briefly built up a Crossroads Cruz a few years ago. It was the lowest end model, although I think the frame was the same as the non-Cruz model. As I recall, it had massive tire clearance with 2.1s Clement XC tires *almost* fitting. The bb drop was less than 60mm, which made it too hard for me to throw a leg over with those big tires; otherwise I would have played with it more.