The Schmitt Sportfreund cylinder kit, exclusively in the Vertex Edition, offers you impressive performance for your Simson S51, KR51/2 and SR50. With a displacement of 60 cc and a cylinder diameter of 41 mm, it breathes new life into every scooter. The elegant design and precise workmanship not only provide a visual upgrade, but also a noticeable increase in performance.
Take your Simson to a new level and experience riding fun like you've never had before.