Wunderlich - Lower Footrests Ergo-Comfort for BMW F 800 SAn open knee angle provides noticeably more comfort when riding. This simultaneously reduces the mechanical load on the knee joints and the constriction of the blood vessels in the hollows of the knees. With our footrests, the feet rest significantly lower by 25 mm, the knee angle opens up and is enlarged, which leads to a thoroughly relaxed and comfortable sitting position. This makes it possible to reduce the painful and tortuous effects associated