Yes, the GSXR 750 is considered a superbike. The GSXR (or GSX-R) series is a line of motorcycles produced by Suzuki, and the GSXR 750 model specifically falls into the category of superbikes. Superbikes are high-performance motorcycles designed for racing or high-speed riding on the road. They typically have powerful engines, advanced suspension systems, aerodynamic fairings, and other performance-enhancing features. The GSXR 750 has long been recognized as a popular and capable superbike option.