The primary transmission shaft from Top Racing for Zündapp 4-speed is a precisely manufactured component, specifically designed for use in historical Zündapp motorcycles with a 4-speed gearbox. Its robust construction and exact fit ensure a reliable power flow between the engine and transmission. This shaft contributes to improved power transmission and longevity of the drive, and is particularly optimized for restoration projects and old vehicles. The product is characterized by high-quality materials and precise fine toothing, which ensures smooth shifting and low wear.







