Hercules Zündapp Kreidler Puch Solo DKW KTM moped fuel cap 30 mm, lockable chrome fuel cap with 2 keys for tanks with 30 mm bayonet closure. Please check the dimensions before purchasing. Dimensions: height: approx. 28 mm. Nozzle diameter: approx. 30 mm. Nozzle length: approx. 4 mm. Cover diameter: approx. 55 mm suitable for: various mopeds, mopeds and mokicks with 30 mm bayonet closure