Sprocket rear Zundapp 41T. Bergsteiger M25 & M50

Rear drive for Zündapp 434 with 90mm hub. This rear drive is developed to ensure stable and efficient power transmission for moped. With a precise fit to the hub and chain, contributing to smooth operation and reduced wear over time. The drive is made of durable steel, selected to withstand continuous loading in both standard and modified drivetrains. The tooth profile is optimized for consistent chain engagement, minimizing vibration and ensuring long life for both sprocket and chain. The surface treatment provides effective protection against corrosion and external influences, making the component suitable for varying climatic and driving conditions. The design balances weight and strength to deliver reliable and responsive operation over time.