Wunderlich - Seat Aktivkomfort (#25620)The new generation of ERGO Seats: Well thoughtthrough at every step of the design, with many innovative solutions. The original seat suffers from an unfavourable form which places undue strain on the tailbone, and the angle of the seat leads many riders to adopt a bad pelvic position. To counter this we use a foam core with completely new contours and a unique fabric, developed with great care and at no little expense. Features Distinctly shaped