Modern day motorcycle tires use a multi-arc profile,. the further you lean the more (larger area) traction you have. The tire is narrower standing up for better (quicker) handling.Scary looking. Doesn't seem to be a very large tire contact area. Hats off to his skill and nerves.
Crashy (hard earned nickname) is indeed dragging his elbow in this vid. As unreal as it seems, it's not uncommon among the go fast crowd which MotoGP is definitely part of.That guy can ride...looks like he is almost dragging his elbow too.