Wunderlich - Marathon Windshield for BMW F 900 GS ADV (2023-)Wunderlich MARATHON Screen Effective wind and weather protection thanks to maximum protection and perfect ergonomics for every body size Function and Product FeaturesMaximum protection and perfect ergonomics for every body size Effective wind and weather protection Significantly higher (approx. 70 mm) and considerably wider at the bottom, at the transition to the protectors, than the standard screen Maximum relief for head, upper body, and shoulders