German tuners Asphaltfighters unveiled their testosterone laden Kawasaki ZX-10R custom, the Stormbringer, at this year’s Essen Motor Show in Germany, which they claim is the fastest streetbike in the world. Backing that claim up with a top speed of 198mphthe bike will do 0-62mph in 2.9 seconds, 0-124mph in 6.5 seconds, and 0-186mph in 13.9 seconds.