Holy F are you behind the times lol, thats not even that big compared to some other's these days. How do you think they have such control at such slow speeds? It's either a handbrake or combo of handbrake and huge sprocket. And that song is from da dirty dirty south, "nuck if ya buck", dont hate. He's got some skills, tight ridin.HOLY CRAP!! Did you see the size of that rear sprocket? Its almost as big as the rim!!!!