I am 191 cm long and have a 2012 GS standard. I bought the Givi Airflow 330 but suffered from head shakling too much in every position. Then I installed the Nippy Norman winglets which clearly decreased the shaking but not 100 %. Lately I have left the upper part of the Givi home. I only use the lower part in its most backward position plus the winglets: No buffeting, no head shaking. The wind is turbulent and clean and the wind noise is easily suppressed by ear plugs. This kombination is ugly as hell but so am I

. Of course the wind protection of the head and shoulders is not perfect. On very cold weather I add the upper part of the Givi.