Wunderlich - Ergo-Comfort Lower Passenger FootrestAn 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 finely crafted low passenger footrest set that visually upgrades the Big Boxer, the feet rest significantly lower by 20 mm, the knee angle opens up and is enlarged, which leads to a thoroughly relaxed and comfortable sitting position. This