Sprocket with 14 teeth for Zündapp Moped M 50, Mofa 25 Bergsteiger Type 434 and other models. Mounting dimensions 10.30mm x 15mm. To install, the factory-cast tuning lock must be removed. Tuning part for racetrack use, not allowed in the area of the Road Traffic Licensing Regulations (STVZO), operating permit expires. Adjustment and tuning work required, buyer responsible. Returns only if undamaged. Check and adjust timing, ignition, and carburetor settings. No warranty on tuning parts.






