pic: Roccobot 2k8 Teaser

Originally Posted by artdutra04

If you look to the right side of the wheel, there's a hole in the chassis that's looks to be just the right size for a bearing, which would probably imply that at least this end of the robot has fixed, live-axle wheels..

It's possible, but it could just be a lighting hole. And how would the frame be up if there is not some portion of an axle going into the wheel. If it was a fixed axle and that was a bearing hole, the axle should come out the other end, which it isn't doing.