Wunderlich - Windshield Marathon for BMW R 1200 RT (2010 - 2013)A luxury windshield for the luxury tourer: The original windshield dimensions were enlarged in all directions to create a windshield that really lets you relax and transforms even long marathon tours into a pleasure. To the sides we have built in a trailing edge to minimise turbulence and provide even relief for the whole upper body including the shoulders. The rounded contours at the top of the raised windshield have brought about optimum, turbulence