Originally Posted by Gummee!
I'm not so sure about that. I didn't see any tire being flung around. Looks kinda like he mebbe got bumped up high? His wheel was turned left and he was started down.
...but yeah... track crashes tend to be spectacular.
It is hard to tell what caused it but the guy in orange caused the crash and his tire was off of the rim in the end.
Edit: I watched it a couple times and you can see the tire coming off the rim causing him to go down.