39mm Moped High-Performance Cylinder Kit Upgrade by Swiing with Vertex Piston for Mopeds by Zündapp Belmondo (type 247) Belmondo, Bergsteiger M25/ M50, Alpa Spezial 3000 | Scooter Parts | Racing Planet USA
Moped-Garage.net | Bergsteiger M50/M25
Zündapp M50 Bergsteiger Zylinder 247-02.609 Moped Neu | Classic-Moped