Wunderlich - Seats AktivkomfortWe also manufacture our seats that sit 25mm higher than the standard seat height with the characteristic 3D contour that lets the rider and passenger become one with their BMW bike. Integrated, riding is a relaxing affair and thus also active. And there's no doubt that relaxed sitting adds a serious plus to passive safety. The integrated wind channel on the seat provides pleasant ventilation while you ride. Grippy cover material also increases the