The Schmitt Drehfreund crankshaft with 44 mm stroke and 85 mm connecting rod has been specially developed for your Simson S51, S70 and S83 models with M500 to M700 engines. This precision part combines outstanding manufacturing quality with high-strength materials to open up new dimensions for your motorcycle power pack.
With the Schmitt crankshaft, your Simson becomes more than just a scooter - it becomes an experience. Rely on a powerful drive and experience how you and your machine merge harmoniously. Straightforward installation ensures that you can get back on the road quickly.