A dirt biker who is sideways in the air having come off of a dirt jump .
The biker is riding
A dirt biker who is sideways in the air having come off of a dirt jump.
The biker is riding
The man is a biker because he is on a dirt bike, and he is currently riding because the bike is in the air.
The man is a biker because he is on a dirt bike , and he is currently riding because the bike is in the air .