Wiktionary
superbike
n. (context motorcycling English) A super sport bike with a large engine, usually between 800 and 1200 cc
Wikipedia
SuperBike (magazine)
SuperBike was a monthly British motorcycling magazine. In addition to motorcycles, the magazine featured reviews of race bikes, dirt bikes, and others. It is now a completely digital motorcycle media platform, serving content to around half a million bikers a week.
Usage examples of "superbike".
He revved his superbike, giving Rand a hand signal so that the Invid could not intercept a transmission.