![Racing History: Harley-Davidson's Top Secret World Superbike & MotoGP Project - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News Racing History: Harley-Davidson's Top Secret World Superbike & MotoGP Project - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News](https://www.roadracingworld.com/wp-content/uploads/2021/12/1121_use_MGPA-H-D_Harley-VR2-Kar-Design-shaded_N_WEB-3-copy_1638819709-e1638822730975.jpg)
Racing History: Harley-Davidson's Top Secret World Superbike & MotoGP Project - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News
![Aprilia Introduces Ultra-Exclusive 230-Horsepower RSV4 XTrenta - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News Aprilia Introduces Ultra-Exclusive 230-Horsepower RSV4 XTrenta - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News](https://www.roadracingworld.com/wp-content/uploads/2022/09/02_1662147977-e1662148064217.jpg)
Aprilia Introduces Ultra-Exclusive 230-Horsepower RSV4 XTrenta - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News
![Buell Is Back! (Updated With Erik Buell Comment) - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News Buell Is Back! (Updated With Erik Buell Comment) - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News](https://www.roadracingworld.com/wp-content/uploads/2021/02/RX2.320_1613687916-e1613688436223.jpg)