Kawasaki ZX10r is amazing Ninja Kawasaki motorbike variant, this is Kawasaki ZX10r extreme Ninja ZX modifications. This is really great idea from Ninja ZX owner, i don't know what this kawasaki zx modifications idea, but looks like ninja for music system hobby. You can see at Kawasaki ZX10r extreme Ninja ZX modifications picture below what i talking about, Kawasaki zx10r with full speaker