Sport air filter in top quality for optimal performance and long service life, suitable for many Bing carburetors with a 28mm connection, expandable up to approximately 35mm. Suitable for vehicles like Puch Maxi, Zündapp ZD GTS, Hercules, KTM, and Kreidler. Intended for racing purposes only, use on public roads is prohibited, and non-compliance will void the vehicle's operating license.







