Complete speedo drive unit including gear (15 teeth), pinion (22 teeth), bearing piece, grooved pin and snap ring suitable for 14 tooth front sprocket for Simson KR51/1 Schwalbe, SR4-1 Spatz, SR4-2 Star, SR4-3 Sperber, SR4-4 Habicht with M52, M53 or M54 engine, respectively.







