Definition from Wiktionary, the free dictionary
superbike (plural superbikes)
- (motorcycling) A super sport bike with a large engine, usually between 800 and 1200 cc
2009 January 20, Craig Duff, “Broc Parkes up for big test”, in Herald Sun:
- "Do you stay at the front of the second class, or step up and show what you can do on a superbike?"