Aprilia has gone all out with its new RSV4 X-GP, a beast of a track-only superbike that arguably makes more power than anything else you can buy outside of Kawasaki's supercharged Ninja lineup this ...
At nearly $100K, the RSV4 X-GP is the most powerful superbike in Aprilia’s catalog. Only 30 examples will ever see the light of day. When riders talk about performance, the conversation almost always ...