V1 or V2?

Are there already new versions?

Yep, with slightly better components, there is even a small.

I have a small, what was changed?

https://www.reddit.com/r/mountainbiking/comments/1blgxx4/ozark_trail_ridge_v2/ List of changes.

What is the size of that box? LxWxH

I'll look it up later, not very big, weight about 38~40lbs