I have a large Clearview on mine that works well with lowers. I also have a Triumph roadster. You're welcome to drop by (I'm in North VA) and mount up the roadster, take it for a few days and see what you think. You can also take my green for a run to see what you think of the Clearview. I'm 5'7" and sit fully behind the Clearview, and look over the roadster. For me, after installing either of these screens, most of the buffet is generated from air coming from up around the lower forks. The lowers take care of that. The best screen I've had all-around is the Givi A600. Unobtrusive, lightly tinted, nice hefty feel, works. Photo in my gallery of the A600 mounted on my last BA, a Fast Red, as a matter-of-fact.