Thumpin' Bikes or Dance-Dance Pedal Revolutions

The New York Times has an article and slide-show up about the latest trend for Guyanese and Trinidadian youths in Queens, strapping ginormous stereo systems onto bikes, as in bicycles.The bikes roar, but the booming sound has nothing to do with engines — because there are no engines. They are ordinary bicycles, not motorcycles, although these contraptions look and sound more like rolling D.J.