Wunderlich - Ergo Handlebar Riser For Models Without A OEM Sat Nav for BMW F 850 GS (2018-)A huge boost in riding comfort in every respect and improved handling. Your BMW feels even lighter and more agile. A barely visible modification that has a massive impact! The facts: 20 mm height increase Better handling and a more direct riding experience Relaxed, upright sitting position Now possible to ride standing up when off road = More fatigue free riding and better control No changes required to the vehicle Individually milled from high