Whoa is this grainy, but that's the way we find these sometimes. I am certain with their leaked images out that we will get a much better shot from GW once they realize"We've Seen It!"
Looks like a new speeder as well as possibly a bike and Baal Predator?
This comes from a source that shot it over to me as well as over on Reddit. No ideas beyond that atm where it came from.
Here is the reddit link