415 Series 12-Tooth Pinion Sprocket For Zündapp ZD 20 25 40 50 Type 446 – Citomerx

This is a 12-tooth pinion sprocket for Zündapp mopeds—fits ZD 20, 25, 40, 50, and Type 446.

It's a 415 series, pitch 1/2 x 3/16, bore 5mm, diameter 49mm.

Made from steel, gray, front position.

Brand new from Citomerx, part number 190022, with a 2-year warranty.

Made in China.

Note: changing tooth count affects speed and acceleration—more teeth for top speed, fewer for better takeoff.

Check your original setup.

Good for vintage moped restorations.