Extreme Machines.

This genre is difficult to categorize - part purpose-built metric dragster, part boulevard cruiser, part radical custom show bike, and a little Hip Hop style billet-bling thrown in for good measure. Metric super bikes such as the Suzuki Hayabusa or Kawasaki Ninja are a popular canvas from which these builders create their stretched and slammed customs. Some builders opt for the stripped-down, anodized, minimalist approach, while others never saw a metal bit that didn't deserve a layer of chrome. Different stokes for different folks, but any way you choose it, audaciousness is the prime mover of this rapidly growing niche in the world of motorcycles.