Perfect your Simson for maximum performance with the Schmitt Sportfreund crankshaft. This crankshaft has been specially developed to give you an incomparable riding experience on your Simson S51, S53, S70, S83, SR50, SR80 or KR51/2. Get the ultimate upgrade to take your riding experience to the next level!
Unleash the full potential of your Simson with the Schmitt "Sportfreund" crankshaft and experience the difference for yourself!