I have had the little tiny Triumph screen on my Speedmaster since 03. If you set it quite vertical it deflects a surprising amount of air. I ran it vertical for about 4 yrs. but decided to angle it more for cosmetic purposes, it still works but is not nearly as effective. If I were to get serious about wind protection I would opt for the Windvest like the Friar has. It not only looks excellent but he says it actually does it's job as a wind screen.