A barely-visible adjustment with a resounding effect: Height increase of 35 mm. Improved handling. More direct riding feel. Relaxed, upright riding posture. Now it is possible to stand up when riding off-road riding without tiring and with better control. Only for vehicles without BMW navigation systems. No modification to the vehicle necessary. Individually milled from strong Dural aluminium (not cast!). Black anodised. Complete with bolt set. ABE approved/TÜV approval. Made in Germany. In every respect a huge gain in rider comfort and improved handling feel. The GS feels even lighter and more agile. Simple to fit in seconds and without the need for any other modifications. The increased height allows more adjustment of the handlebar tilt to further improve the sitting position. We recommend the 20 mm or 25 mm extension for riders of up to 1.75 metres tall, and the 35 mm or 40 mm extension for riders taller than that.